The Eagles passed on Manziel as they dropped to 26th in the selection process in a trade with the Cleveland Browns who picked the 21-year-old with the 22nd overall selection, much to the disappointment of McCoy.
"I'm a Johnny guy, I really am, since college," McCoy said on ESPN. "He's played in the best conference [SEC], he's played well, he has tons of swag.
"I mean he's an athlete. He's a quarterback and I thought he'd be a good matchup for us."
Chip Kelly's side selected linebacker Marcus Smith out of the Louisville Cardinals with their first-round pick.