The Ben Roethlisberger Foundation’s third annual fundraiser had Jergel’s Rhythm Grille in Warrendale rocking! More than 220 guests, including former Pittsburgh Steeler Charlie Batch and current Steelers Brett Keisel and Heath Miller, came out to support Ben and his wife, Ashley. DVE Morning Show’s Randy Baumann emceed the evening’s live auction, which helped raise more than $218,000 for local K-9…