Jayson Tatum isn't Superman: Why the Celtics star struggles in clutch moments

Jayson Tatum is trying to play the hero.This is the hook of a new national TV ad spot that debuted this week promoting the upcoming blockbuster 'Superman' movie in which Tatum, playing himself in the commercial, decides to answer the call. As the story goes, Superman is taking the day off and the world is in peril searching for who’s going to sub in and replace The Man of Steel. The big payoff in the ad shows a suited Tatum going full Clark Kent, peeling back his button down shirt and reve