MLB umpire Larry Vanover was hospitalized Wednesday after being hit in the head by a relay throw from Guardians second baseman Andres Gimenez in the fifth inning of a game against the Yankees.

Vanover, 67, was sent to the Cleveland Clinic to be evaluated for a concussion.

“They’re doing a CAT scan. He’s got a pretty good-sized knot on his left side … above his ear,” umpire Chris Guccione told a pool reporter about Vanover’s condition.

“They’re going to do a concussion test and it sounded like he was coherent and that he knew kind of what was going on. But he did have that glazed look on him. He’s going to be at the hospital for the rest of the night maybe. I’m glad he was able to walk (and that) he was able to get to the hospital. That was scary. Very hard to focus after that after you see a colleague get hit. But they gave me updates, and I was like, ‘All right. He’s good. He’s in safe hands.’ So, we moved on.”

With his team trailing 3-0, Yankees catcher Kyle Higashioka hit a long drive off the top of the wall in center field in the top of the fifth inning.

Myles Straw played the ball off the wall and threw to the cutoff man Gimenez, who then tried to fire the ball home but ended up striking Vanover on the left side of his head. The umpire had been standing on the grass between second base and the mound.

Vanover’s hat flew off after being struck, but he quickly got up and was attended to by a Guardians trainer.

Two runs scored on the play, and the Yankees went on to win 4-3.

Vanover is in his 30th season as an MLB umpire.