Invited to spring training by the Braves in 2014, Schlosser competed for a bullpen spot on the Braves opening day roster.[5][6][7] On March 29, it was announced that he had made the team.[8] He made his major league debut against theMilwaukee Brewers on March 31, inducing a double play and throwing a strikeout.[9][10] Schlosser was optioned to theGwinnett Braves in early May, asMike Minor was reinstated from the disabled list.[11][12] He returned to Atlanta in late June for a single apperance,[13][14] was recalled from and returned to the minors again in July asAnthony Varvaro was placed on the paternity list,[15][16] then returned to the major leagues in September.[17][18] With Atlanta in 2014, Schlosser threw17+2⁄3 innings in 15 appearances, striking out eight and walking six.[19] He pitched to a 7.64 earned run average and a 0–1 win–loss record.[20]
Schlosser became a free agent on December 2, 2014 after he was non-tendered by the Braves.[21] The Braves then signed Schlosser to a minor league contract.[22]
On January 30, 2015, the Braves traded Schlosser andDavid Hale to theColorado Rockies for minor league catchersJosé Briceño and Chris O'Dowd.[23][24] Schlosser was released by the Rockies on July 31, 2015.[25]
In 2016, Schlosser returned to the Patriots for a second season.[28] In 15 games and 15 innings pitched, he went 2–0 with a 1.20 ERA with 19 strikeouts and 1 save.
On May 31, 2016, theLos Angeles Dodgers signed Schlosser to a minor league contract.[29][30] He appeared in 14 games for the Double–ATulsa Drillers and 12 games for the Triple–AOklahoma City Dodgers with a combined 5.48 ERA.[31] Schlosser elected free agency following the season on November 7.[32]