Manziel celebrates start by signing $100 bill

The guy who ditched the money sign is now signing money. Browns quarterback Johnny Manziel autographed a fan’s $100 bill before Sunday’s game against the 49ers in Cleveland, via CSNBayArea.com. It’s a move that overlooks one of Manziel’s most overlooked misadventures from the offseason of his first year in the NFL — photos of Manziel…