Mark Grater

Mark Anthony Grater is an American former professional baseball pitcher. Grater played in nine games over parts of two seasons in Major [League Baseball] for the St. Louis Cardinals and the Detroit Tigers. He batted and threw right-handed.

Career

Amateur career

Grater attended Monaca [School District|Monaca High School] in Monaca, Pennsylvania and began his college baseball career at the Community College of [Beaver County].

Coaching career

As of 2011, Grater was in his eighteenth year as a pitching coach and was working for the Washington Nationals as their pitching rehabilitation coordinator. Prior to the 2021 season, he was named the Nationals' rehabilitation and Dominican Republic pitching coordinator.
On January 9, 2025, Grater was hired to serve as a coach for the CTBC Brothers of the Chinese [Professional Baseball League].