2017 – Chris Rowley becomes the first graduate of the United States Military Academy in almost a century to make his major league debut. He pitches 5 1/3 innings allowing only 1 run in a 7 – 2 Blue Jays win over the Pirates. Rowley had missed the 2014 and 2015 seasons while service as a first lieutenant on active duty in the United States Army.

On August 12, 2017 — 2017 – Chris Rowley becomes the first graduate of the United States Military Academy in almost a century to make his major league debut. He pitches 5 1/3 innings allowing only 1 run in a 7 – 2 Blue Jays win over the Pirates. Rowley had missed the 2014 and 2015 seasons while service as a first lieutenant on active duty in the United States Army.

Source:
Baseball Reference August 12
National Pastime
Retro Sheet
Hall of Fame
SABR Games Project
Replay The Game