Last season, Jason Terry helped the Dallas Mavericks win the NBA Championship with his clutch shooting off the bench, showing it takes more than a great starting five to win it all in this league (see: L.A. Lakers).
These players not only provide a spark when they enter the game, but can play key minutes while the starters are on the bench. Past winners include Terry, Manu Ginobili and last year's recipient, Lamar Odom.
The only rule is that to qualify for the award, a player must come off the bench more times than he starts. Simple enough? Here are the top 10 contenders for the award so far this season.