Royals C Pina leaves workout with knee injury

Surprise, AZ – Kansas City Royals catcher Manny Pina injured his right knee during Wednesday's workout.

Pina was catching when he caught his spikes and "tweaked" the knee, according to manager Ned Yost. The extent of the injury in not known.

Pina and Brayan Pena are battling for the backup job behind regular catcher Salvador Perez.