Grisham was born and raised in theFort Worth, Texas area, where he attendedRichland High School and emerged as a top MLBdraft prospect. The Brewers selected Grisham in the first round of the2015 MLB draft with the 15th pick. After spending all or parts of five seasons in the Brewersfarm system, he made his MLB debut in 2019. Following the 2019 season, Grisham was sent to the Padres as part of a multi-player trade and became the team's primary center fielder. In 2020, he won the firstGold Glove Award of his career. In 2022, Grisham posted the lowestbatting average in the league amongqualified batters at .184 but won his second career Gold Glove. He was traded to the Yankees following the 2023 season.
Grisham was considered one of the top prospects for the2015 Major League Baseball draft.[3][5] TheMilwaukee Brewers selected him in the first round, with the 15th overall pick, of the draft.[6] He signed with them, was assigned to theArizona League Brewers, and was later promoted to theHelena Brewers; in 55 total games between both teams, he posted a .309batting average with two home runs, 21 RBIs and a .854 OPS. Grisham spent 2016 with theWisconsin Timber Rattlers where he batted .231 with two home runs and 24 RBIs in only 59 games due to hamstring injuries.[7]
In 2017, Grisham played for theCarolina Mudcats, posting a .223 batting average with eight home runs, 45 RBIs and 37 stolen bases in 133 games. In 2018, he played with theBiloxi Shuckers, hitting .233 with seven home runs, 31 RBIs, and 11 stolen bases in 107 games.[8] Grisham opened the 2019 season with theSan Antonio Missions.[9]
On August 1, 2019, the Brewers selected Grisham's contract and promoted him to the major leagues.[9] He made his major league debut that day versus theOakland Athletics.[10]
On August 22, 2020, Grisham had his first career multi-home run game, hitting homers in the first and second innings againstBrandon Bielak of theHouston Astros. In the seventh inning, Grisham hit his third home run of the game againstJoe Biagini, his first career three-homer game and first Padres three-homer game sinceHunter Renfroe had done so on June 14, 2019.[12]
Grisham finished the shortened 2020 season hitting .251/.352/.456 with 10 home runs and 26 RBIs in 59 games. He also led NL outfielders with 134 putouts and won the National LeagueGold Glove Award as a center fielder.[13]
Grisham began the 2021 season on theIL with a hamstring strain he suffered early in spring training, but he rejoined the team on April 9.[14] He also missed 20 games in the middle of the season with a left heel bruise.[15] Grisham was the Padres everyday center fielder, starting 118 games there in 2021. For the season, he batted .242/.327/.413 with 15 home runs, 62 RBIs and 13 stolen bases in 132 games. He batted in theleadoff position in 52 of his starts.[16]
In 2022 he had the lowest batting average in the majors, hitting .184/.284/.341 in 451 at bats.[17] He led the major leagues in sacrifice hits, with seven.[18]
On January 13, 2023, Grisham agreed to a one-year, $3.175 million contract with the Padres, avoidingsalary arbitration.[19]
In 2025, Grisham got off to the best start of his career, improving his offensive profile and earning significant playing time in center field.[23] On November 18, Grisham accepted the Yankeesqualifying offer and returned to the team on a one-year $22.025 million contract.[24]
Grisham was born and grew up inFort Worth, Texas. His first legal name was Trenton Marcus Clark. He changed his last name in 2017 to Grisham, which is his mother's last name.[25]
Grisham is married to Megan Grisham, and he follows theChristian faith.[26] Their first child was born in April 2025.[27]