At this point in his career, Manziel reminds me of Roger the Dodger. Roger won the Heisman his junior year and played Texas for the national championship in the 64 Cotton Bowl. Texas spanked his butt. Funny, but you never hear much about his senior year at Navy. They didn't do much. A lot of the really good players were seniors the year before and graduated and left Roger with a pretty green team.
Most don't even realize that Dallas drafted Roger after that junior year in the 64 draft. Roger graduated from the Naval Academy in 65........in the 15 round I think. The pick caused an uproar........but Gil Brandt knew the rules and pulled a fast one.
Roger was pretty cocky, like Manziel. The 5 years in the Navy and a year in
Vietnam really matured Roger. When he finally got to the Cowboys full time, he was no longer cocky, but extremely confident. I don't think Manziel will have a chance to get mature.