Who said kids are the only ones who get to play summer time sports and wear neat custom tee shirts for uniforms? Here are a few, great, recreational sports leagues you can join that are often around in most areas during summer. Kickball. Kickball was a staple gym class, and summer camp game, and when many adults got too old to participate there, they wound up making their own leagues. Every year, tons of people make crazy, cheap custom tee shirts for their summertime kickball league, with such funny names as “Straight Ballin'” “Saved By the Ball,” or “Ace of…