Erick Harding "Rick" Peterson (born October 30, 1954) is an American former pitcher and pitching coach in Major League Baseball.

He was a pitcher in the Pittsburgh Pirates organization, but is most notable as the pitching coach for the Oakland Athletics, New York Mets, and the Milwaukee Brewers.

Peterson is known for his unique use of biomechanical research and psychological principles to help pitchers improve their pitching motions.

[1] Rick Peterson played in class-A for the Pirates organization for four years, in 1976–79, and also made appearances at higher levels of the minors in 1982, 1983, and 1988.

After departing the Cleveland organization, Peterson joined the Chicago White Sox farm system and spent six seasons there as a pitching coach.

Peterson joined the Oakland Athletics organization as a roving minor league pitching instructor for the 1998 season.

[1] All three pitchers became 20-game winners under Rick Peterson and Zito won the 2002 American League Cy Young Award.

[2] Baseball Prospectus listed Bell as one of its "Five players to watch in 2005"—along with Justin Morneau, D'Angelo Jiménez, Dan Haren, and Josh Beckett.

[4] On June 17, 2008, Rick Peterson, along with Manager Willie Randolph and first base coach Tom Nieto, was fired from his position with the New York Mets.

[5] However, when new manager Ron Roenicke's 2011 staff was announced on November 15, 2010, it was revealed that Peterson had been replaced by Rick Kranitz with a year remaining on his contract.

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