UPMC Park, formerly known as Jerry Uht Park, is a baseball park located in Erie, Pennsylvania. It is the home of the Double-A Erie SeaWolves of the Eastern League, the city's Minor League Baseball (MiLB) franchise. The SeaWolves are affiliated with the Detroit Tigers Major League Baseball team. It hosted its first regular season game on June 20, 1995, in which major league veteran José Guillén hit a home run to ensure a SeaWolves victory over the Jamestown Jammers.The park replaced Ainsworth Field, which was built in 1947, and features natural grass and dirt playing field. Its concessions include regional specialties such as pepperoni balls, ox roast sandwiches, cheesesteaks, and Yuengling beer. It is part of the Louis J. Tullio Plaza, which also includes Erie Insurance Arena and the Warner Theatre, all governed by the Erie County Convention Center Authority. The stadium has a seating capacity of 6,000. After the 2016 season, the SeaWolves partnered with the University of Pittsburgh Medical Center (UPMC) in a naming rights agreement to rebrand the stadium UPMC Park.In a 2008, the ESPN sports broadcast company ranked the ballpark number five out of ten minor league ballpark seating arrangements. They especially noted its unique mezzanine level that overlooks the infield along the first base side. In July 2015, the People for the Ethical Treatment of Animals (PETA) also ranked the stadium number five among the most vegetarian-friendly minor league ballparks.