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Published On: August 10th, 2019

Schreiber is the 226th former Northwoods League player and the first Growler to debut in MLB

Kalamazoo, MI. – Former Kalamazoo Growler John Schreiber, made his Major League debut for the Detroit Tigers on Friday, August 9, 2019. Schreiber is the 226th former Northwoods League player and the first Kalamazoo Growler to reach the Major League level.

Schreiber, who played collegiately at the University of Northwestern Ohio, pitched for the Kalamazoo Growlers in 2014. He was drafted by the Tigers in the 15th round of the 2016 MLB draft.

Schreiber appeared in 11 games for the Growlers in 2014. He was 0-2 with a 4.62 ERA out of the bullpen. He struck out 11 batters in 11.2 innings and walked six.

Schreiber began his minor league career in 2016 with the Connecticut Tigers of the Short-Season A New York-Penn League. He appeared in 18 games and was 2-3 with a 2.76 ERA. He struck out 24 batters in 29.1 innings pitched while walking nine.

In 2017 Schreiber was promoted and spent the season with the West Michigan Whitecaps of the Lo-A Midwest League. Over 27 games he was 5-1 with a miniscule 0.54 ERA. He struck out 70 batters in 50.1 innings and walked only eight. He also saved 11 games.

Schreiber received another promotion for the 2018 season to the Erie SeaWolves of the AA Eastern League. In 49 games he was 3-7 with a 2.48 ERA and saved 18 games. He struck out 59 batters in 58 innings and walked 19.

Prior to being called up by the Tigers, Schreiber had appeared in five games with Erie before a promotion to the Toledo Mud Hens of the International League. Between the two clubs he was 5-4 with a 2.80 ERA in 44 appearances. He had a career high 71 strikeouts in 54.2 innings pitched and had saved three games.

In his Major League debut against the Kansas City Royals, Schreiber entered the game in relief in the ninth inning. In .2 innings he allowed one run on three hits.


The Northwoods League is the proven leader in the development of elite college baseball players. Currently in its’ 26thseason, the Northwoods League is the largest organized baseball league in the world with 22 teams, drawing significantly more fans, in a friendly ballpark experience, than any league of its kind. A valuable training ground for coaches, umpires and front office staff, over 225 Northwoods League players have advanced to Major League Baseball, including three-time Cy Young Award winner Max Scherzer (WAS), two-time World Series Champions Ben Zobrist (CHC) and Brandon Crawford (SFG), World Series Champion Chris Sale (BOS) and MLB All-Stars Jordan Zimmermann (DET) and Curtis Granderson (MIA). All league games are viewable live via the Northwoods League website. For more information, visit or download the Northwoods League Mobile App on the Apple App Store or on Google Play.