When he loses his speed, former Major League Baseball pitcher, Kenny Powers (Danny McBride) is forced to move in with his brother in his old home town. Kenny takes a job as a substitute physical education teacher at his old home town.
Kenny Powers continues to struggle with life after baseball. His efforts to raise money through personal appearances falls flat and his job as a teachers assistant sees him struggling with small town community needs.
Convinced he's lost his stuff, Kenny decides to give up his comeback dreams and move on as a working stiff--but his resolve is tested by arrogant car dealer Ashley Schaeffer and his new pet celebrity, a major-league arch-nemesis named Reg Mackworthy.