(Reuters) -Five-division world champion Claressa Shields has signed an $8 million multi-year deal with Salita Promotions and Wynn Records, the promotion company said on Thursday, calling it the richest contract in women’s boxing.

The 30-year-old is undefeated in all 17 of her professional bouts and became the first undisputed women’s heavyweight champion with a win over Danielle Perkins in February, adding the IBF, WBO and WBA heavyweight titles to her WBC belt.

“Today marks a groundbreaking step for women’s boxing and for women’s sports,” Dmitriy Salita said in a news conference in New York on Thursday.

“This is the richest agreement in women’s boxing, including a minimum guarantee of $8 million across multiple fights.”

Shields, who won middleweight gold at the 2012 and 2016 Olympic G

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