We expect first-round NFL draft picks to flash once players put on pads, as they're the cream of the crop in their classes. On the other hand, Day 2, Day 3 and undrafted rookies can use training camp as a springboard to significant roles.
The Miami Dolphins selected linebacker Jerome Baker in the third round of last year's draft. He showed early signs of his playmaking ability and earned a promotion to the first unit. The Ohio State product started 11 games and lined up for 62.3 percent of the team's defensive snaps in 2018.