Without the crowd cheering Amir Johnson on, then it's not a game, as this spot aptly illustrates. Fans make the game.

Client: Boston Celtics Agency: Sleek Machine Chief Creative Officer: Tim Cawley Art Director: Alan Duda Copywriter: Mike Heid Producer: Ben Ouellette Account Director: Danielle Allwein Editor: Nick Agri/Alan Duda Sound Design: Mark Wong