Legal dressed?

[jdw3018]

Originally Posted by theboys

Was at a boys varsity game a couple weeks ago. A sub tried to enter with a long-sleeved shirt on under his jersey. It matched the jersey color, but he was told he couldn't play with it on. He ran - literally ran - into the locker room, and returned a couple of minutes later with the same shirt on, sans sleeves. You could tell it was the same shirt because it was obvious he had found a pair of dull scissors somewhere and quickly chopped them off.

Why wasn't he allowed to play? The shirt was legal before, then illegal if he really cut them off as it then had unhemmed edges.