Manchester United striker Wayne Rooney is a major injury concern ahead of tomorrow night's Champions League semi against Barcelona.

The England ace suffered a hip injury during United's 2-1 defeat at Chelsea on Saturday and spent yesterday in the treatment room, says The Sun.

Red Devils sources rate the striker as having just a 30 per cent chance of starting the Champions League semi-final at Old Trafford.

Amazingly, it took the United bench SIX MINUTES to replace him with Cristiano Ronaldo at Stamford Bridge.