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The baseball hazing ritual of dressing up rookies as Wonder Woman, Hooters Girls and Dallas Cowboys cheerleaders is now banned.

Major League Baseball created an Anti-Hazing and Anti-Bullying Policy that covers the practice. As part of the sport’s new labor deal, set to be ratified by both sides Tuesday, the players’ union agreed not to contest it.

“It’s been in Ohio as early as the mid-1850s at least, brought in as an ornamental plant because of its unique foliage and white flowers,” Gardner said. “It was actually planted in people’s landscaping, and it has been spreading.”

The policy, obtained by The Associated Press, prohibits “requiring, coercing or encouraging” players from “dressing up as women or wearing costumes that may be offensive to individuals based on their race, sex, nationality, age, sexual orientation, gender identify or other characteristic.”

MLB Vice President Paul Mifsud said Monday the new rules resulted partly “in light of social media, which in our view sort of unfortunately publicized a lot of the dressing up of the players … those kind of things which in our view were insensitive and potentially offensive to a number of groups.”

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