The fan approached the Cleveland Guardians center fielder Tyler Freeman before getting tased by authorities.
A chaotic scene broke out in the outfield at Great American Ball Park in Cincinnati on Tuesday.
A Cincinnati Reds fan ran out onto the field during the ninth inning of the team's game against the Cleveland Guardians.
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The fan ran up to Guardians center fielder Tyler Freeman and appeared to say something to him before running toward left field. Once approached by a police officer, the fan did a backflip and attempted to get away.
The police officer then used a taser on the fan, who fell onto the outfield grass. Police officers surrounded the fan and took him into custody.
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NBC affiliate WLWT is working to see if the fan will face any felony charges.