Monday was Major League Baseball's opening day.

So, at stadiums all across the American and National leagues, ceremonial first pitches were thrown out by players and celebrities.

This was the case at Angel Stadium in Anaheim, Calif.

Former Los Angeles Angels star Vladimir Guerrero was called upon to throw out the first pitch to Angels Hitting Coach Don Baylor.

While the pitch seemed to go according to plan, the catch didn't work out so well.

Somehow in the process of catching the ball, Baylor suffered an injury. He fractured his right femur.

This is the true definition of "freak injury".

The Angels announced that Baylor will undergo surgery today on his leg.

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