BLOOMINGTON, Minn. – Baldwin Wallace University baseball seniors Ohio Athletic Conference (OAC) Player of the Year Dennis Ritlinger-Nirider (Grove City) and starting pitcher and left-handed ace Brit Kostura (Tequesta, Fla./Jupiter Christian School) have been named to D3baseball.com All-American teams, with Ritlinger-Nirider making it for the first time and Kostura being a selection for the second time.

Ritlinger-Nirider earns his first appearance on the All-Team, making it to the second team after winning conference player of the year honors. Heading into the NCAA Division III Baseball World Series this week, the outfielder holds a .451 batting average and led the OAC with 12 home runs and 62 RBI to claim the batting triple crown. He also has 83 hits, 21 doubles, three triples, 33 walks, 146 total bases, and 63 runs scored to go with his triple crown, completing one of the best offensive seasons in the history of BW Baseball while playing 45 games so far.

For his career, Ritlinger-Nirider has appeared in 153 games and has made starts in 128 of them. He has a .377 batting average with 23 home runs and 124 RBI; all of his home runs have come over the last two seasons. He also has scored 132 runs scored, collected 181 hits, had 48 doubles, six triples, and 72 walks over the course of four seasons with the program. He is a three-time All-OAC selection.

Kostura is the only player who made it in 2025 that is apart of an all-team again; earning a spot on the fourth team after being a member of the fifth team last year, when he won the OAC Pitcher of the Year that season as well after having a 5-1 win-loss record with a 3.07 ERA. He had 63 strikeouts and threw two complete games, with one being a no-hitter at John Carroll University on May 2, 2025.

Heading into the NCAA Division III Baseball World Series this week, Kostura has a 2.04 ERA including a 1.44 mark through three starts in the postseason. He has a 9-3 win-loss record, 74 strikeouts in 101 innings of work in 17 games, with 14 of them being starts. He has also issued only 17 walks to date. His highlights this season include a 9 ? inning effort against Muskingum where he only allowed one run, and a postseason of 25 innings in three starts, with his two most recent starts being complete games on 121 and 142 pitches, the latter being a shutout.

For his career, the left-hander has made 39 appearances with 24 of them being starts. He has a 14-4 win-loss record, a 2.38 ERA, 148 strikeouts in 185 ? innings of work. He is a two-time All-OAC team selection and a two-time Academic All-OAC selection.

Up Next

The Yellow Jackets are back in action when they face off against seventh-ranked John Hopkins (Md.) University in the NCAA Division III World Series on Friday, May 29 at Classic Park in Eastlake. First pitch is set for 10 a.m. Fans can click here to watch the game and can also tune into WBWC 88.3 The Sting with Alex Dettmer calling all the action.