Pro Football Focus names every team's secret superstar each year. Previous secret superstars for the Kansas City Chiefs include FB Anthony Sherman last season (nailed it) and G Jon Asamoah the season before that. DE Wallace Gilberry is another good one they hit on a few years back.
For the 2015 Chiefs, De'Anthony Thomas has been named the PFF secret superstar. This is a solid choice because DAT very well could see his production increase this season.
Go over to PFF to read the whole thing. One of the key parts comes when they note that DAT's position switch to receiver isn't really a position switch at all.
While Thomas's roster position has been officially switched from running back to wide receiver, that is purely semantics and unlikely to make any difference to his role. He lined up as a receiver on 83.9% of his offensive snaps in 2014, while lining up in the backfield on just 16.1% of his snaps.
We know DAT can be effective as a return man and we expect to see him do that in 2015. We also know he can be effective on packaged plays along with short screens and jet sweeps. The next step in the development is refining his route-running skills.
He has potential as a slot receiver if can develop his route running skills, if not, or until that point, he can continue to tear it up as a return man, and get his touches on offense through a steady diet of screens and jet sweeps. He isn't built to be a 20-touch-per-game player, but his dynamism means he should see more than the 3.1 touches he averaged as a rookie.
So he had about three touches per game as a rookie, despite missing the first month of the season. With a complete season (and offseason) under his belt, I could see that number rising to five or six touches per game.
DAT is one of those players that can make an impact without touching the ball. Go back to that Seattle game and see how the defense reacted when he ran the (fake) jet sweep. He is so fast the defense has to account for him. Give them one more thing to think about.