On June 20, 1995, the Erie SeaWolves defeated the Jamestown Jammers in their inaugural game in Erie. José Guillén, now a Major League Baseball alumnus, hit the decisive home-run for the team. The SeaWolves club started in 1989 as the Welland Pirates, based in Welland, Ontario as a member of the short-season New York–Penn League. The team played at Welland Stadium from 1989 to 1994 and were affiliated with the Pittsburgh Pirates. When the Welland Pirates relocated to Erie in 1995, they were rebranded as the "Erie SeaWolves." The relocation of the team from Welland to Erie forced the Frontier League incarnation of the Erie Sailors to relocate to Johnstown, Pennsylvania where they became the Johnstown Steal (this team is now known as the Florence Y'alls, based in Florence, Kentucky). Before that, there was another team called the Erie Sailors which played in the New York - Penn League. However, they relocated to Wappingers Falls, New York (becoming the Hudson Valley Renegades) because the team's owner Marvin Goldklang did not upgrade Ainsworth Field to Major League Baseball specifications. Once the civic government secured an $8 million grant from the Commonwealth of Pennsylvania to build UPMC Park (then known as Jerry Uht Park) the Welland Pirates moved to Erie. While Erie lacked affiliated baseball in 1994, the city fielded an independent baseball franchise in the Frontier League and reused the "Sailors" name. The SeaWolves succeed various Erie-based baseball franchises, namely every version of the Erie Sailors (the New York–Penn League franchise is now called the State College Spikes).