Michael Acri Boxing Promotions brings professional boxing back to the VIP Tent at Heinz Field, home of the Pittsburgh Steelers, with “Summer Brawl” on June 30. The main event will feature Pittsburgh’s “Lightning” Rod Salka (11-0, 3 KOs), in an eight-round lightweight battle against Harold Orji (6-2, 3 KOs), of Laurel, Maryland. The co- feature will pit heavyweights Jason Bergman (11-9-2, 8 KOs), of Pittsburgh, in a six-round rumble against Cleveland’s Ryan Thompson (9-9, 6 KOs). The undercard will feature, in separate bouts, Pittsburgh heavyweight Paul Zalus (4-0, 4 KOs), Pittsburgh middleweight Sam Suska (0-1), lightweight Chris Hazimilhalis (2-0, 2 KOs), and welterweight Jake Giuriceo (6-0-1, 2 KOs), both from Campbell, Ohio. Tickets are $25, $50 and $100.