John Cena Elbow Injury [UPDATE]: WWE Superstar Promises To Return 'Even Stronger,' Posts Workout [VIDEO]

As has been his go-to activity ever since he's been sidelined with a left triceps injury, WWE Superstar John Cena took to Twitter to update the WWE Universe on his recovery and to dispel any thoughts from his peers that he's been enjoying his time off. Cena, who has been sidelined since Aug. 19 with the injury and isn't expected back until January, said he's looking to come back even stronger: