Below is a partial list ofminor leaguebaseball players in theSeattle Mariners system.
| Michael Arroyo | |
|---|---|
| Seattle Mariners | |
| Second baseman /Shortstop | |
| Born: (2004-10-22)October 22, 2004 (age 21) Cartagena, Colombia | |
Bats: Right Throws: Right | |
Michael Arroyo (born November 3, 2004) is a Colombian professionalbaseballsecond baseman andshortstop in theSeattle Mariners organization.
Arroyo signed with theSeattle Mariners as an international free agent in January 2022 for $1.375 million, the most for a Colombian that year. He was one of three Mariners international prospects who received signing bonuses of more than $1 million in 2022, along with Lázaro Montes and Martín Gonzalez.[1][2]
Arroyo made his professional debut that year with theDominican Summer League Mariners. Arroyo started 2023 with theArizona Complex League Mariners before being promoted to the Single-AModesto Nuts in mid-June.[3] He started 2024 with Modesto for being promoted to theEverett AquaSox in late June.[4] In 120 games for the two teams, he hit .285/.400/.409 with 23 home runs and 89 runs batted in.[3] He was also hit by 23 pitches, seventh-most in the minors in 2024.[5] He was named the 98th best prospect in baseball byMLB.com before the 2025 season.[6]
Arroyo played for theColombian national team in2026 World Baseball Classic qualifiers, held in March 2025 inTucson, Arizona.[7] He hit a two-run double in Colombia's 8–1 win overChina on March 3.[8] Arroyo had three hits in 10 at-bats with two RBI as Colombia advanced the WBC, going undefeated in qualifiers.[9][10] Arroyo began the 2025 season with High-AEverett AquaSox.[11]
| Felnin Celesten | |
|---|---|
| Seattle Mariners | |
| Shortstop | |
| Born: (2005-09-15)September 15, 2005 (age 20) Guaymate,Dominican Republic | |
Bats: Switch Throws: Right | |
Felnin Daniel Celesten (born September 15, 2005) is a Dominican professionalbaseballshortstop in theSeattle Mariners organization. His nickname isEl Fénix.[12]
Celestin signed with theSeattle Mariners as an international free agent in January 2023 for $4.7 million.[13][14][15] He did not make his professional debut that year due to a hamstring injury he suffered in June.[16][17]
Celestin made his professional debut in on May 4, 2024 with theArizona Complex League Mariners. In 32 games, he hit .352 with 3 home runs and 5 stolen bases. He only played once after June 20, and his season ended in early August after he underwent wrist surgery.[18][19] He was named the 74th best prospect in baseball byMLB.com before the 2025 season.[6] He started 2025 with the Single-AModesto Nuts.[20]
| Taylor Dollard | |
|---|---|
| Seattle Mariners | |
| Pitcher | |
| Born: (1999-02-17)February 17, 1999 (age 26) Sherman Oaks, California, U.S. | |
Bats: Right Throws: Right | |
Taylor Joseph Dollard (born February 17, 1999) is an American professionalbaseballpitcher in theSeattle Mariners organization.
Dollard attendedCrespi Carmelite High School inEncino, Los Angeles,California. As a junior in 2016, he went 2-4 with a 3.38 ERA over 12 appearances, and as a senior in 2017, he went 2-0 with a 1.43 ERA and 42 strikeouts over29+1⁄3 innings.[21] He went not drafted in the2017 Major League Baseball draft and enrolled atCal Poly San Luis Obispo to playcollege baseball.
Dollard made 19 appearance as a freshman at Cal Poly in 2018 and posted a 2.43 ERA. In 2019, his sophomore year, he made 19 relief appearances and went 5-0 with a 2.89 ERA and 48 strikeouts over43+2⁄3 innings.[22] After the 2019 season, Dollard playedcollegiate summer baseball in theCape Cod Baseball League with for theYarmouth-Dennis Red Sox.[23] He made four starts in 2020 before the season was cancelled due to theCOVID-19 pandemic.[24] Dollard was selected by theSeattle Mariners in the fifth round of the shortened2020 Major League Baseball draft with the 137th overall selection.[25] He signed for $406,000.[26]
Dollard made his professional debut in 2021 with theModesto Nuts and was promoted to theEverett AquaSox in June.[27] Over 19 games (18 starts) between the two teams, he went 9–4 with a 5.14 ERA and 133 strikeouts over 105 innings. He pitched for theArkansas Travelers in 2022.[28] Over 27 starts, he went 16–2 with a 2.25 ERA and 131 strikeouts over 144 innings.[29] He led the minor leagues in wins.[30]
Dollard was assigned to theTacoma Rainiers to begin the 2023 season.[31] Dollard made only three starts for Tacoma, logging a 7.56 ERA across8+1⁄3 innings, before he was placed on the injured list with a shoulder impingement on April 26.[32] On June 27, it was announced that Dollard would undergolabrum surgery and miss the remainder of the season.[33] He did not pitch in 2024.[29] In 2025, Dollard pitched with theArizona Complex League Mariners and Everett, going 3-4 with a 4.54 ERA over69+1⁄3 innings.[34]
| Domingo Gonzalez | |
|---|---|
| Seattle Mariners – No. 46 | |
| Pitcher | |
| Born: (1999-09-27)September 27, 1999 (age 26) San Francisco de Macorís,Dominican Republic | |
Bats: Right Throws: Right | |
Domingo Jose Gonzalez (born September 27, 1999) is a Dominican professionalbaseballpitcher for theSeattle Mariners ofMajor League Baseball (MLB).
On June 13, 2018, Gonzalez signed with thePittsburgh Pirates as an international free agent. He made his professional debut with theDominican Summer League Pirates. Gonzalez split the 2019 season between the Low-AWest Virginia Black Bears, rookie-levelGulf Coast League Pirates, and the DSL Pirates; in 17 appearances (nine starts) for the three affiliates, he accumulated a 7-3 record and 2.09 ERA with 84 strikeouts over 69 innings of work.[35] He did not play in a game in 2020 due to the cancellation of the minor league season because of theCOVID-19 pandemic.[36]
González returned to action in 2021, accumulating a 5-5 record and 4.95 ERA with 104 strikeouts across 20 games (14 starts) for the Single-ABradenton Marauders and High-AGreensboro Grasshoppers. In 2022, he made 29 appearances (11 starts) split between Greensboro and the Double-AAltoona Curve, registering a combined 9-3 record and 4.90 ERA with 103 strikeouts across104+2⁄3 innings pitched.[37]
On December 7, 2022, Gonzalez was selected by theAtlanta Braves in the minor league phase of theRule 5 draft.[38][39] He spent the 2023 season with the Double-AMississippi Braves, posting a 3-5 record and 4.19 ERA with 76 strikeouts and one save in53+2⁄3 innings pitched across 40 games.[40]
Gonzalez split the 2024 campaign between Double–A Mississippi and the Triple–AGwinnett Stripers. In 45 appearances split between the two affiliates, he compiled a 4–3 record and 2.91 ERA with 83 strikeouts and 9saves across52+2⁄3 innings pitched. On November 2, 2024, the Braves added Gonzalez to their40-man roster to prevent him from reaching minor league free agency.[41]
Gonzalez was optioned to Triple-A Gwinnett to begin the 2025 season,[42] where he logged a 2-1 record and 4.29 ERA with 39 strikeouts over 42 innings of work. Gonzalez wasdesignated for assignment by the Braves on August 10, 2025.[43]
On August 12, 2025, Gonzalez was claimed off waivers by theSeattle Mariners.[44]
| Alex Hoppe | |
|---|---|
| Seattle Mariners – No. 48 | |
| Pitcher | |
| Born: (1998-12-17)December 17, 1998 (age 27) Davenport, Iowa, U.S. | |
Bats: Right Throws: Right | |
Alex Kevin Hoppe (born December 17, 1998) is an American professionalbaseballpitcher for theSeattle Mariners ofMajor League Baseball (MLB).
Hoppe playedcollege baseball at theUniversity of North Carolina at Greensboro.[45] He was selected by theBoston Red Sox in the sixth round of the2022 Major League Baseball draft.[46]
On November 18, 2025, the Red Sox traded Hoppe to theSeattle Mariners in exchange for catcher Luke Heyman; the Mariners subsequently added him to the40-man roster to protect him from theRule 5 draft.[47]
| Jonny Farmelo | |
|---|---|
| Seattle Mariners | |
| Outfielder | |
| Born: (2004-09-09)September 9, 2004 (age 21) Centreville, Virginia, U.S. | |
Bats: Left Throws: Right | |
Jonathan Thomas Farmelo (born September 9, 2004) is an American professionalbaseballoutfielder in theSeattle Mariners organization.
Farmelo attendedWestfield High School inFairfax County, Virginia.[48] In high school, he had a .385 batting average, seven home runs, and 29 RBIs in 48 career games.[49] As a senior, Farmelo batted .478.[50] Farmelo committed to playcollege baseball at theUniversity of Virginia.[51]
Farmelo was selected 29th overall by theSeattle Mariners in the2023 Major League Baseball draft. He signed with the Mariners on July 17 for an over-slot bonus of $3.2 million.[52][53] He joined theSingle-AModesto Nuts for the 2023 playoffs, playing as an outfielder.[54] He hit .200 in 4 games, with 1 triple and 1 home run.[55] Farmelo returned to Modesto in 2024, but hetore his ACL in mid-June while trying to catch a pop-up, ending his season.[56] In 46 games before the injury, he hit .264 with 4 home runs and 18 stolen bases.[57] He was named the 96th best prospect in baseball byMLB.com before the 2025 season.[6] Farmelo said he expects to return to minor league games in the middle of 2025.[58]
| Michael Morales | |
|---|---|
| Seattle Mariners | |
| Pitcher | |
| Born: (2002-08-13)August 13, 2002 (age 23) Enola, Pennsylvania, U.S. | |
Bats: Right Throws: Right | |
Michael Paul Morales (born August 13, 2002) is an American professionalbaseballpitcher in theSeattle Mariners organization.
Morales attendedEast Pennsboro High School inEast Pennsboro Township, Pennsylvania.[59] He was selected by theSeattle Mariners in the third round of the2021 Major League Baseball draft.[60] He signed with the Mariners with an overslot $1.5 million signing bonus.[61][62]
Morales made his professional debut in 2021 with theArizona Complex League Mariners. He pitched for theModesto Nuts in 2022 and 2023. In 2022, he led the Nuts with 125 strikeouts in120+1⁄3 innings, but had a 5–7 record and 5.91 ERA.[63] He started 2024 with theEverett Aquasox before being promoted to theArkansas Travelers at the beginning of July.[64][65] Despite the higher competition, he had his best season in the minors, with a 13–2 record and 3.26 ERA in 149 innings.[66]
| Robinson Ortiz | |
|---|---|
| Seattle Mariners – No. 49 | |
| Pitcher | |
| Born: (2000-01-04)January 4, 2000 (age 26) Peravia,Dominican Republic | |
Bats: Left Throws: Left | |
Robinson Stiward Ortiz is a Dominican professionalbaseballpitcher for theSeattle Mariners ofMajor League Baseball (MLB).
Ortiz was signed by theLos Angeles Dodgers as an international free agent on June 2, 2017[67] and assigned to theirDominican Summer League affiliate.[68] He was promoted to theArizona League Dodgers in 2018 and theGreat Lakes Loons in 2019.[68] After not playing in 2020 due to thecancellation of the minor league season as a result of the COVID-19 pandemic he returned to Great Lakes in 2021.[68] He missed all of the 2022 and 2023 seasons due to injury[67] and returned for only six games in 2024 for the Low-ARancho Cucamonga Quakes.[68] He began 2025 with Great Lakes but was promoted during the season, first to the Double–ATulsa Drillers on June 17 and then to the Triple–AOklahoma City Comets on August 12.[67] Between the three levels, he was 5–2 with a 2.73 ERA in 48 games.[68]
The Dodgers selected Ortiz's contract to their40-man roster on November 6, 2025, in order to prevent him from reaching minor league free agency.[69] On November 16, the Dodgers traded Ortiz to theSeattle Mariners in exchange for pitcher Tyler Gough.[70]
| Kaden Polcovich | |
|---|---|
| Seattle Mariners – No. 86 | |
| Second baseman | |
| Born: (1999-02-21)February 21, 1999 (age 26) Edmond, Oklahoma, U.S. | |
Bats: Switch Throws: Right | |
Kaden James Polcovich (born February 21, 1999) is an American professionalbaseballsecond baseman in theSeattle Mariners organization.
Polcovich attendedDeer Creek High School inEdmond, Oklahoma. After his junior year 2016, in which he batted .321 with 26 RBIs, he committed to playcollege baseball at theUniversity of Kentucky.[71] Polcovich was not selected in the2017 Major League Baseball draft and enrolled at Kentucky.
Polcovich was dismissed from the Kentucky baseball team during the first semester of his freshman year after skipping many classes. He did not play for the Wildcats in a game.[72][73] He left Kentucky and enrolled atNorthwest Florida State College, where he hit .280 with three home runs, 18 RBIs, and 13 stolen bases over 40 games as a freshman in 2018, then batting .273 with 12 home runs and 38 RBIs over 53 games as a sophomore in 2019.[74] After his sophomore year, he playedcollegiate summer baseball with theChatham Anglers of theCape Cod Baseball League and was named a league all-star.[75][76][77] He also transferred toOklahoma State University.[78] As a junior at Oklahoma State in 2020, he batted .344 with two home runs in 21 games before the season was cancelled due to theCOVID-19 pandemic.[79] He was selected by theSeattle Mariners in the third round, with the 78th overall pick, of the2020 Major League Baseball draft. He signed for $575,000.[80][81][82][83]
Polcovich made his professional debut in 2021 with theEverett AquaSox of theHigh-A West with whom he batted .271/.415/.505 with ten home runs, 47 RBIs, and 16 stolen bases over 58 games.[84] He was promoted to theArkansas Travelers of theDouble-A South in late July, slashing .133/.242/.211 with two home runs, 14 RBIs, and four doubles over 36 games to end the season.[85] He returned to Arkansas for the 2022 season.[86] Over 118 games, he batted .242/.345/.386 with 12 home runs, 60 RBIs, and 18 stolen bases.[87] He repeated in Double-A in 2023 and 2024, not raising his batting average or on-base plus slugging above his 2022 numbers. He did not play in the minors in 2025.[83]
Polcovich's father,Kevin Polcovich played inMajor League Baseball for thePittsburgh Pirates in 1997 and 1998.[73][88]
| Nick Raposo | |
|---|---|
| Seattle Mariners | |
| Catcher | |
| Born: (1998-06-03)June 3, 1998 (age 27) Providence, Rhode Island, U.S. | |
Bats: Right Throws: Right | |
Nicholas Louis Raposo (born June 3, 1998) is an American professionalbaseballcatcher in theSeattle Mariners organization. He is currently aphantom ballplayer, having spent two days on theSt. Louis Cardinals' active roster without making an appearance.[89]
On June 15, 2020, Raposo signed a minor league contract with theSt. Louis Cardinals after he was not selected in the shortened2020 Major League Baseball draft.[90][91]
Raposo made his professional debut in 2021 with the Double-ASpringfield Cardinals, hitting .267/.368/.362 with one home run and 12 RBI across 42 games.[92] He returned to Springfield the following season, playing in 59 games and batting .270/.345/.461 with seven home runs and 34 RBI.[93] Raposo split the 2023 campaign between Springfield and the Triple-AMemphis Redbirds. In 40 games between the two teans, he accumulated a .241/.321/.386 batting line with four home runs and 13 RBI.[94] Raposo began the 2024 season with Memphis, hitting .187/.241/.323 with five home runs and 22 RBI in 47 games prior to his call–up.[95]
On June 22, 2024, Raposo was selected to the40-man roster and promoted to the major leagues for the first time following an injury toIván Herrera.[96] He did not make an appearance for St. Louis and was optioned down to Memphis on June 24.[97] Raposo wasdesignated for assignment by the Cardinals on July 29.[98]
On August 1, 2024, Raposo was claimed off waivers by theToronto Blue Jays.[99] In 20 games for the Triple-ABuffalo Bisons, he slashed .246/.361/.312 with one home run and five RBI. Raposo was designated for assignment following the signing ofYimi García on December 13.[100]
On December 19, 2024, Raposo was claimed off waivers by theSeattle Mariners.[101] On January 14, 2025, Raposo was designated for assignment by the Mariners.[102] He cleared waivers and was sentoutright to the Triple-ATacoma Rainiers on January 17.[103]
| Brock Rodden | |
|---|---|
| Seattle Mariners | |
| Infielder | |
| Born: (2000-05-25)May 25, 2000 (age 25) Durant, Oklahoma U.S. | |
Bats: Switch Throws: Right | |
Brock Rodden (born May 25, 2000) is an American professionalbaseballinfielder in theSeattle Mariners organization.
Rodden attended Oktaha High School inOktaha, Oklahoma and playedcollege baseball atSeminole State College andWichita State University. As a sophomore at Wichita State in 2022, he batted .338 with 17 home runs and 48 RBI. Rodden was drafted in the 10th round of the2022 Major League Baseball draft by theOakland Athletics but opted not to sign with the team.[104] Returning as a junior at Wichita State in 2023, he played in 55 games andslashed .371/.474/.677 with 17 home runs and 64 RBI and was named theAmerican Athletic Conference Player of the Year.[105] In 2022, he playedcollegiate summer baseball with theOrleans Firebirds of theCape Cod Baseball League, and returned to the league in 2023 with theCotuit Kettleers.[106][107] Rodden was selected by theSeattle Mariners in the 5th round of the2023 Major League Baseball draft.[108][109] He signed with the team for $200,000.[110]
Rodden made his professional debut with theArizona Complex League Mariners andModesto Nuts, batting .311 with two home runs over 34 games between both teams in 2023. He split the 2024 season between the High-AEverett AquaSox and Double-AArkansas Travelers, hitting .257 with 14 home runs, 64 RBI, and 29 stolen bases over 131 games.[111] Rodden was assigned to Arkansas to begin the 2025 season.
| Jared Sundstrom | |
|---|---|
| Seattle Mariners | |
| Outfielder | |
| Born: (2001-06-21)June 21, 2001 (age 24) Santa Rosa, California, U.S. | |
Bats: Right Throws: Right | |
Jared Sundstrom (born June 21, 2001) is an American professionalbaseballoutfielder in theSeattle Mariners organization.
Sundstrom attended Point Arena High School inPoint Arena, California and playedcollege baseball atSanta Rosa Junior College andUC Santa Barbara. As a junior at UC Santa Barbara in 2023, he played in fifty games and batted .322 with 15 home runs and 43 RBIs and was named to the All-Big West Conference First Team.[112] After the season, he was selected by theSeattle Mariners in the tenth round of the2023 Major League Baseball draft.[113][114] Sundstrom signed with the team for $165,500.[115]
Sundstrom made his professional debut after signing with theArizona Complex League Mariners and also played with theModesto Nuts, batting .240 with three home runs over 22 games between both teams. He played the 2024 season with theEverett AquaSox and hit .263 with 13 home runs, 63 RBIs, and 26 stolen bases over 114 games.[116] Following the season's end, he was selected to play in theArizona Fall League with thePeoria Javelinas.[117] Sundstrom was assigned to theArkansas Travelers for the 2025 season.[118] Over 115 games, he batted .219 with 12 home runs, 53 RBIs, and 35 stolen bases.[119]
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