Here are a couple:
See comment - so I think it's Games-related.
And apparently somebody there tore an Achilles tendon on box jumps.
And this young man quite unfortunately seems to have ruptured his achilles tendon.
And another competitor - don't know if he's one of the ones alluded to above.
One of the coaches.
I suppose this is another reason to leave box jumps out of many types of programming. I wish them all a speedy recovery.