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Mike Ruppenthal – Field Manager

2020 will mark Mike’s 3rd season in the Northwoods League, and 2nd as manager of the Bombers. Mike served as the pitching coach for the Bombers in 2018, where he helped improve the team’s ERA and WHIP.

Mike is currently in his second year as the pitching coach/recruiting coordinator at  Tyler Junior College in Tyler, Texas. Prior to moving to Texas, Mike spent 2018 as the pitching coach at Bethany College (NAIA) in Kansas, guiding the pitching staff to 3rd in conference ERA. He worked as an instructor for Doyle Baseball in 2016-2017, and assisted in develping young athletes at a high level to prepare them for their athletic careers. Mike also spent time working at the Florida Baseball Ranch, where he gained knowledge of optimal training protocols and movement patterns for elite pitchers.

Mike was born and raised in Bloomfield Hills, Michigan and played high school baseball at Brother Rice High School. He went on to play college baseball at Southeastern University (NAIA) in Lakeland, Florida. His father, Barry, played professional baseball in the Angels organization, and his brother, Matt, played at Vanderbildt University and is currenlty in the Houston Astros organization.

When he is not coaching baseball, Mike loves to fish and spend time with his wife, Lyida, and their dog.

For all player inquiries, please Email Mike at



Zach Gartner – Hitting Coach

Zach Gartner enters his 2nd season as a coach with the Bombers, but it will be his third straight summer in Battle Creek. In 2018, Zach was on the field for the Bombers, primarily as a 1B/DH. He is currently in his first season as a Graduate Assistant Coach at Tyler Junior College in Tyler, Texas.

He is best known for throwing an Eephus pitch that ended up on ESPN’s “Pardon the Interruption” as well as playing all 9 positions in 1 game in 2018.