Dexter Lawrence hasn’t played a single snap for the Cincinnati Bengals yet, but he’s already making an impression off the field. The three-time Pro Bowler made a surprise appearance during Myles Murphy’s Gears & Grills Auto Showcase on Saturday at St. Xavier High School. The event was open to the public, and proceeds directly supported The Myles Murphy Foundation , a non-profit organization founded to support underserved youth and families both in Cincinnati and Myles' hometown of Atlanta Georgia.  “It means a lot,” Murphy said of Lawrence’s appearance, in an exclusive interview with Cincinnati Bengals Talk. “I really respect him for just showing up and being here.” Lawrence devoted time posing for photos and interacting with many of the Bengals fans in attendance. “He was over here for over an hour,” Murphy said. “The more teammates can hang out outside of the locker room, it means a lot.…