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Junior featherweight titleholder Scott Quigg is in the market for a new opponent to make his fourth title defense against.
Quigg was due to defend his 122-pound belt against former bantamweight titleholder Paulus Ambunda on Sept. 13 at the Phones 4u Arena in Manchester, England. But Ambunda suffered a hamstring injury during his training camp and has withdrawn from the fight, according to promoter Matchroom Boxing.
Quigg (28-0-2, 21 KOs), 25, of England, is due to headline the card and a replacement opponent is expected to be signed. He is coming off a dominant second-round knockout win against Tshifhiwa Munyai on April 19.
Ambunda, 33, lost his bantamweight title in his first defense against Japan's Tomoki Kameda last August but won his junior featherweight debut in May.
The co-feature will pit lightweight Anthony Crolla (28-4-1, 11 KOs), 27, who will be fighting in his hometown, against former junior lightweight titlist Gamaliel Diaz (38-11-2, 17 KOs) in a scheduled 12-round bout.
The card will also include 2012 British Olympic super heavyweight gold medalist Anthony Joshua (7-0, 7 KOs) against an opponent to be determined.