(FEB 26) NEW YORK  - Two undefeated middleweight champions went face-to-face Tuesday as Claressa Shields and Christina Hammer met in New York at a press conference ahead of their battle for the undisputed women's middleweight championship Saturday, April 13 live on SHOWTIME from Boardwalk Hall in Atlantic City, N.J.

The SHOWTIME BOXING: SPECIAL EDITION begins at 9 p.m. ET/PT and will feature a long-awaited unification in what is arguably the most significant event in women's boxing history. In addition to world titles from all four sanctioning bodies, this fight will be for the Ring Magazine Women's Middleweight Championship, the first time a Ring divisional title has been at stake in a women's boxing match.

Tickets for the live event, which is promoted by Salita Promotions, are priced at $150, $100, $55 and $35 and are on sale Friday, March 1 at 11 a.m. ET. Tickets can be purchased through Ticketmaster and at boardwalkhall.com. Pre-sale tickets are available now at the link HERE by using the code BOXING.

Also on Tuesday, SHOWTIME Sports announced that it will chronicle the buildup to Shields vs. Hammer with a two-part digital installment of the Sports Emmy® Award winning programing ALL ACCESS. ALL ACCESS: SHIELDS vs. HAMMER will premiere on March 29 with the second installment on April 5 on the SHOWTIME Sports YouTube channel and SHOWTIME Boxing Facebook page and take viewers into the training camps of both champions. Cameras will be embedded with Shields at the U.S. Olympic Training Center in Colorado Springs, Colo., and with Hammer in the town of Seefeld in the Austrian Alps as the undefeated rivals prepare for the most significant fight of their careers.

Here is what the press conference participants had to say Tuesday from Dream Hotel Downtown in Manhattan: