The Showtime-televised broadcast of a fight featuring former IBF/WBA junior welterweight beltholder Amir Khan against two-time lightweight beltholder Julio Diaz in a 143-pound catchweight clash will follow Danny Garcia vs. Zab Judah on April 27, the network and Golden Boy Promotions announced on Thursday.

Khan (27-3, 19 knockouts) against Diaz (40-7-1, 29 KOs) will take place at the Motorpoint Arena in Sheffield, England, and will be shown on tape-delay as a Showtime Special Edition fight after RING 140-pound champ Garcia (25-0, 16 KOs) faces Judah (42-7, 29 KOs) live on Showtime from Barclays Center in Brooklyn, N.Y.

The Garcia-Judah card will also include a defense by WBO middleweight beltholder Peter Quillin (28-0, 20 KOs) against Fernando Guerrero (25-1, 19 KOs).

The Khan-Diaz undercard will also feature heavyweight prospect and 2008 Olympic bronze medalist Deontay “The Bronze Bomber” Wilder (27-0, 27 KOs) against 2000 Olympic gold medalist Audley Harrison (31-6, 23 KOs), as well as flyweight Haroon Khan, Amir’s younger brother, in his professional debut.

Also to be shown, from the Khan-Diaz undercard, are highlights of the professional debut of 2012 Olympic bronze medalist Anthony Ogogo, of Great Britain, who signed with Golden Boy in December, against Kieron Gray (5-13-1, 1 KO).

In addition, the Khan-Diaz card will have former unified lightweight titleholder Nate “The Galaxxy Warrior” Campbell (36-10-1, 26 KOs) of Jacksonville, Fla., against Manchester, England, prospect Terry “Turbo” Flannigan (19-0, 5 KOs).

British fight fans will also see local rivals in a Lancashire-Yorkshire battle as Gary “Five Star” Sykes (23-3, 5 KOs) puts his English junior lightweight crown on the line against Jon “2 Smokes” Kays (16-2-1, 4 KOs).

Following Khan-Diaz, Showtime will replay an All-Access: Mayweather vs. Guerrero to promote Floyd Mayweather Jr.’s May 4 defense of his WBC welterweight belt against two-division titlewinner Robert Guerrero at the MGM Grand in Las Vegas on Showtime Pay Per View.

Lem Satterfield can be reached at [email protected]