The Chicago Cubs said they are investigating a fan using what appeared to be a racist hand gesture that was caught by cameras during Tuesday night's broadcast of a home game against the Miami Marlins at Wrigley Field.

Cubs president of business operations Crane Kenney said in a statement early Wednesday morning that the fan made the gesture while Doug Glanville was working for NBC Sports Chicago.

Glanville, who is black, played nine seasons in the majors, including three with the Cubs. He also is an analyst for ESPN.

"Such ignorant and repulsive behavior is not tolerated at Wrigley Field," Kenney said in the statement. "We are reviewing the incident thoroughly because no one should be subjected to this type of offensive behavior."

The statement went on to say that "any individual behaving in this manner will not only be removed from the ballpark, but will be permanently banned from Wrigley Field."

Glanville said Wednesday that the Cubs have reached out to him, praising the team and saying it has "displayed sensitivity as to how the implications of this would affect me as a person of color."

In a statement, Major League Baseball noted it has a policy that bans derogatory language and actions at its ballparks.

The Associated Press contributed to this report.