By Hunter Hodies James Harrison may be retired but that doesn’t mean he still can’t have a big workout every once in a while. On Friday, he was filmed pushing over 40 plates that weighed 1,890 pounds. He was able to push them about five yards before he had enough. Here’s the video: Harrison has always been known as someone who has crazy workouts, but this is something else. The fact that he was able to do this at the age of 44 is unbelievable and goes to show just how strong he is. Harrison has been retired for four years after he played in the NFL for 15 years. He spent 14 of them with the Pi…