Pina injures right knee during workout

Pina injures right knee during workout

SURPRISE, Ariz. -- Catcher Manny Pina was being examined by the Royals' medical staff after injuring his right knee during Wednesday's workout.

Manager Ned Yost said that Pina was catching when he caught his spikes and "tweaked" the knee. The extent of the injury wasn't immediately known.

Pina is competing with Brayan Pena for a backup job behind regular catcher Salvador Perez.