The Jamestown Jammers are a baseball team competing in the Perfect Game Collegiate Baseball league, a collegiate summer baseball league. The Jammers play home games at Russell E. Diethrick Jr. Park in Jamestown, New York. After the 2014 season, the old Jammers moved to West Virginia, and kept MLB minor league affiliation. In 2015 the Jammers played in the Prospect League (summer collegiate league) and joined the Perfect Game league in 2016. The new ownership of the Jammers was taken over by MKE Sports & Entertainment, a Milwaukee, WI based Sports Management Company.
