Robert Parish famously incorporated martial arts into his workout life and many credited it with helping the Chief remain such a force in the NBA at an advanced age. Jrue Holiday who was a key component of the Boston Celtics winning Banner 18 this past June, also turned 34 that month. That's an age where many NBA players have already fallen off or retired at. Holiday appears to be taking a page out of Parish's book with boxing workouts to keep him in shape.
Video: Behind the scenes with Jrue Holiday's boxing workouts
