Orioles' Jorge Mateo Enters Concussion Protocol After On-Deck Accident

Mateo was struck by teammate Cedric Mullins' bat during warm-ups, leading to his removal from the game against the Rays.

Mateo was hit in the back of the helmet while Mullins was performing a routine stretch.
The incident occurred in the fourth inning as the Orioles prepared to bat.
Mateo left the game and is undergoing further tests to determine the severity of his injury.
Manager Brandon Hyde is awaiting updates on Mateo's condition.
The Orioles lost the game 4-3 to the Tampa Bay Rays.