It's bad enough Rob Gronkowski could have screwed the Patriots by re-re-injuring his broken arm -- but the real travesty of his Vegas trip ... those insanely awful dance moves.
Check out TMZ on TV -- click here to see your local listings!
My Dancing is BAD
For My Bones
2/5/2013 3:00 PM PST BY TMZ STAFF
Get TMZ Breaking News alerts to your inbox