VIDEO: Top Rank Boxing: Countdown: Terence Crawford vs. Amir Khan

It's the final countdown as the #CrawfordKhan fight week has officially begun. Undefeated virtuoso Terence “Bud” Crawford (34-0, 25 KOs) will defend his welterweight world title against British boxing royalty Amir “King” Khan (33-4, 20 KOs) in a collision of superstars. Take an exclusive look inside Terence Crawford and Amir Khan’s training camp as they prepare for one of the most anticipated fights of the year. Crawford, the fighting pride of Omaha, Nebraska, has captured world titles in three weight classes and looks to maintain his lofty pound for pound status. Khan, a former unified junior welterweight world champion and unbeaten as a welterweight, represents Crawford’s most daunting test to date. Can Crawford, with the sport’s best Ring IQ, overcome the elite speed of Amir Khan? Don’t miss Crawford vs. Khan, LIVE! Saturday, April 20 at The World's Most Famous Arena - Madison Square Garden - and on the inaugural Top Rank on ESPN pay-per-view broadcast (9 p.m. ET/6 PT)

VIDEO: Showtime Sports: All Access: Shields vs. Hammer - Ep. 2 | Full Episode | SHOWTIME

ALL ACCESS takes you behind-the-scenes leading up to Shields vs. Hammer with a two-part digital installment of the Sports Emmy® Award winning programing ALL ACCESS. Two undefeated middleweight champion, Claressa Shields and Christina Hammer, will battle for the undisputed women’s middleweight championship Saturday, April 13 at 9PM ET/6PM PT - live on SHOWTIME from Boardwalk Hall in Atlantic City, N.J.

VIDEO: Showtime Sports: All Access: Shields vs. Hammer | Episode 1 |

ALL ACCESS takes you behind-the-scenes leading up to Shields vs. Hammer with a two-part digital installment of the Sports Emmy® Award winning programing ALL ACCESS. Two undefeated middleweight champion, Claressa Shields and Christina Hammer, will battle for the undisputed women’s middleweight championship Saturday, April 13 at 9PM ET/6PM PT - live on SHOWTIME from Boardwalk Hall in Atlantic City, N.J.

VIDEO: Showtime Sports: ALL ACCESS: Pacquiao vs. Broner - Epilogue | Full Episode | SHOWTIME

ALL ACCESS: PACQUIAO vs. BRONER EPILOGUE takes viewers into the locker rooms of Manny Pacquiao and Adrien Broner moments before they enter the ring for the welterweight world championship. The Sports Emmy® award-winning “EPILOGUE” spotlights the immediate buildup to fight night, goes inside the ropes during the fight and reveals the dramatic aftermath of world championship boxing like no other show on television.

VIDEO: ESPN: Oscar Valdez on courageous win vs. Scott Quigg, Canelo Alvarez on Mexican warrior mentality | Boxing

WBO featherweight titleholder Oscar Valdez talks with Mark Kriegel about fighting through a broken jaw to retain his title against Scott Quigg, changing trainers to Eddy Reynoso before his bout with Carmine Tommasone, and his aspirations to be one of the great Mexican fighters. Canelo Alvarez (2:43) speaks to the mentality of a Mexican warrior and how Valdez can improve under Reynoso’s tutelage.