The Sixth Annual Philadelphia Burger Brawl presented by Comcast Business will be held on Sunday, June 26, from 4:00-7:00 p.m., VIP access starts at 3:00 p.m. XFINITY Live hosts the event at 1100 Pattison Avenue, Philadelphia, PA 19148. The event will be held rain or shine. The event will feature restaurants presenting their versions of…