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Cubs name PJ Mainville Head Athletic Trainer


CHICAGO The Chicago Cubs today named PJ Mainville as the club’s new head athletic trainer. 

Mainville, 37, joins the Cubs after spending the last two seasons as the major league assistant athletic trainer for the Arizona Diamondbacks.  Prior to being named to the big league staff, he served as Arizona’s minor league training coordinator from 2007-10.  Mainville has 15 years of athletic training experience in professional baseball, including six with the Diamondbacks and nine in the Baltimore Orioles minor league system. 

While in the Orioles organization, Mainville served as head athletic trainer for Triple-A Ottawa (2004-06), Double-A Bowie (2001-03), Single-A Frederick (2000), Single-A Delmarva (1999) and Rookie League Bluefield (1998). He was also an undergraduate intern for the Orioles from 1996-97 while attending East Carolina University.

Mainville graduated from East Carolina University in 1997 and received a Masters of Science Degree from California University of Pennsylvania in 2005.  He is a certified member of the National Athletic Trainers Association (NATA) and the Professional Baseball Athletic Trainers Society (PBATS).

Mark O’Neal will remain in the organization in a different role within the medical department.

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