NFL Preview Week: 10 non-rookie breakout candidates for 2016 (Shutdown Corner)

Some NFL coaches believe that a player’s biggest jump should come between Years 1 and 2, as adjustments to speed, strength, system and playing professionally can take time. Mariota has looked great in the preseason and could take a big jump. Terrelle Pryor’s conversion to wide receiver has been a pleasant surprise for the Cleveland Browns .
Source: Yahoo.com