SAN DIEGO -- With Keenan Allen and Stevie Johnson suffering season-ending knee injuries, Tyrell Williams had a breakout performance in his second NFL season. But the Los Angeles Chargers have to find a way to keep their No. 1 receiver Allen healthy and on the field for a full, 16-game season.
Locks: Keenan Allen, Tyrell Williams, Travis Benjamin
On the bubble: Stevie Johnson
The good: Williams, an undrafted free agent in his second season with the Chargers out of Western Oregon, led the team with 69 receptions and 1,059 receiving yards.