Broker says Manziel received $7,500 for autographs

The closest Johnny Manziel may come to football in 2013 is his nickname. According to ESPN.com, a broker says that Manziel received $7,500 for signing approximately 300 helmets in January.  It happened at the Walter Camp Football Foundation event, making it different from the paid autograph session in Miami, where Manziel allegedly engaged prior to…