Glasser went to NCAA Division IIIMacalester College in Minnesota, where he majored in Psychology.[7][8] In 2010, he batted .348 and led the Minnesota Intercollegiate Athletic Conference (MIAC) conference with six triples, and was named a Jewish Sports Review All American.[8] In 2011, Glasser led the Scots in batting average (.408) and total bases (74), and tied for the lead in home runs (4), and was again named a Jewish Sports Review All American.[8][3] He ranked second on the team in RBIs (30) and hits (49).[9] He was the most difficult player in Division III to strike out (only 1 time in 120 at bats), and was named MIAC Player of the Week on April 11.[8][3] He was awarded MIAC all-conference honors four times.[10][8] In his college career he batted .357 with 180 hits (4th in school history), 95 RBIs, and 109 runs scored in 148 games, and stole 31 bases in 37 attempts.[11]
In 2015, he joined the Joplin Blasters of the American Association of Independent Professional Baseball in the team's inaugural season, batting .265/.362/.306 and 11 sacrifice hits (tied for second in the league) and 8 hit-by-pitch (tied for 9th).[14] In the final game of the season Glasser played all nine positions in the field.[2]
In 2016 Glasser had the best season of his four-year professional career for the Blasters. He batted .317/.411 (7th in the league)/.417 with 47 RBIs and 16 stolen bases and leading the league with 16 hit-by-pitch.[14][15][16]
Cleburne Railroaders
In 2017 he played for the Cleburne Railroaders of the American Association. Glasser batted .282/.380/.352 with three home runs, 33 RBIs, 18 stolen bases, and 14 HBP (4th in the league) in 347 at bats, playing 37 games at third base, 30 at second base, and 21 in the outfield.[5][2]
Glasser was waived by the RailCats on June 21, 2018, and claimed by the Sioux Falls Canaries of the American Association. In 2018 between the RailCats and the Canaries, he batted .273/.359/.302 with 28 RBIs, 10 HBP (tied for 6th in the league), and 6 sacrifice hits (tied for 9th) in 341 at bats.[5][19] He played 62 games at second base, 20 at third base, 3 in the outfield, and one at shortstop.[5]
Glasser later re-signed with the Canaries for the 2019 season, and also served as the team's hitting coach. The team agreed to let him play for Team Israel in their European qualifying tournament in Bulgaria in July 2019.[20] Canaries manager Mike Meyer said: "We were putting together his contract this year and he said he would be missing potentially 15 games for the qualifiers. I said that it was an amazing opportunity, and that we were going to make it work."[20] Playing for the Canaries in 2019, he batted .264/.363/.338 with 3 home runs and 38 RBIs, while playing 45 games at third base, 24 at first base, 10 at second base, and one game in right field.[21] He was released by the team on January 7, 2020.
On April 30, 2020, Glasser signed with the Chicago Dogs of the American Association. He was released prior to the season on July 3, 2020.
On May 3, 2021, Glasser re-signed with the Sioux Falls Canaries of the American Association as a non-roster invitee to training camp.[22] He was later named as the team's bench coach for the 2021 season, thus becoming a player-coach for the second time in his career. Playing for the Canaries in 2021, Glasser batted .286/.407/.397 with 2 home runs and 28 RBIs, while playing 28 games at second base, 11 in right field, 10 in center field, five in right field, three at first base, and two at third base.[21] He was released by the Canaries following the season on January 31, 2022.
Team Israel
By virtue of his Jewish heritage, Glasser played for the Israel at the 2017 World Baseball Classic qualifier.[23][6][24][15] Glasser appeared in the first and second games of the qualifier as a late-inning defensive replacement, and did not have an at bat.[25][26]
He played primarily right field for Team Israel at the 2020 Summer Olympics in Tokyo in the summer of 2021, and had a .474 on base percentage which was 5th-highest at the Olympic Games.[34] He batted .412/.474/.588 in 17 at bats.[35]