Eyebrows were raised when Paul Pogba was hauled off in the 63rd minute of Manchester United's defeat to Tottenham on Wednesday but fans think they know what prompted Jose Mourinho's decision.
An 11th second strike from Christian Eriksen and an own goal from Phil Jones consigned United to their fourth Premier League defeat of the season at Wembley, leaving them 15 points behind leaders and rivals Manchester City.
Club-record signing Pogba has drawn plenty of criticism in the wake of the game having been replaced by Juan Mata in the 63rd minute after a display to forget.