To have one ACL injury in a career is bad, but to have two is a nightmare.
Falcao came back from his latest one despite missing the World Cup in the summer but has not looked the same.
It may be confidence, it may be a loss of a yard of pace, either way, you could forgive United fans for wondering when the real Falcao will be turning up – and so far, it doesn’t look like he will be.