Boxer Chris Algieri of the U.S. gives a thumbs-up next to a top rank boxing "knockout girl" Jessica, as he arrives at the Venetian Las Vegas Resort in Nevada August 30, 2014. Algieri and Manny Pacquiao of the Philippines are on an international
Boxer Chris Algieri of the U.S. gives a thumbs-up next to a top rank boxing "knockout girl" Jessica, as he arrives at the Venetian Las Vegas Resort in Nevada August 30, 2014. Algieri and Manny Pacquiao of the Philippines are on an international tour promoting their WBO welterweight title match which will take place November 22 at the Venetian's Cotai Arena in Macau. REUTERS/Las Vegas Sun/Steve Marcus (UNITED STATES - Tags: SPORT BOXING)

Boxing is a men's sport that can be brutal and ruthless. As much as fans love to see the fighters step and clash in the ring, they also want to see the beautiful and sexy women who walk around the ring. Recently, the ring girls of Top Rank Promotions stripped down to their raunchy outfits for a sexy 2015 calendar shoot.

Top Rank posted a sneak peek of the sexy ring girls, who go by the group name TR Knockouts, on its official site. The 2015 calendar is being sold online for $20 dollars.

In one photo, the ring girls are pictured dressed in sexy midriff tank tops and spandex cycling shorts. In another photo, the TR Knockouts posed sultry in skimpy two-piece bathing suits.

TR Knockouts

Former National Football League cheerleader Jen Mateo is pictured topless with nothing but gloves to cover her bosom. Mateo used to be a cheerleader for the Oakland Raiders. She also used to be a professional dancer for X Burlesque in Las Vegas before she decided to become one of the ring girls for Top Rank. Other members of the TR Knockouts include Rachel McDonough, Brittany Parks and Erica Jackson.

McDonough used to be a ballet dancer. She has performed in classic ballets such as "The Swan Lake" and "The Nutcracker."

Some fun facts about Parks is that she claims that a dirty martini is her favourite food. She is an orthodontic technician by day and a Top Rank ring girl by night. According to gossip site Starcasm.net, Parks is in a relationship with Albie Manzo.

Jackson, on the other hand, is a model and videographer. As seen on her profile on social media, she is the chief executive officer and owner of Gypsy Eye Films.

Recently, the Top Rank ring girls were in attendance during the fight between Manny Pacquiao and Chris Algieri in Macau, China, on Nov. 23. Pacquiao won the fight via unanimous decision, giving Algieri his first-ever defeat.

After the girls' stint in the Pacquiao-Algieri fight, they entertained the crowd at the Terence Crawford's title defence against Raymundo Beltran on Nov. 29. Crawford defeated Beltran by unanimous decision to defend his lightweight title.

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