Allen has contributed 13 receptions for 100 yards this season, ranking second on the team. To address the injury, the Colts have promoted Nick Westbrook-Ikhine from the practice squad and are hopeful that Ashton Dulin can return from his own ankle injury.
With Keenan Allen out, watch for Nick Westbrook-Ikhine to step up in the London game. The Colts' receiving corps is thin, and Ashton Dulin's potential return could be crucial. Monitor how the team adapts their game plan to compensate for these injuries.