Manchester United's world record £750m kit deal with Adidas will be cut by 30% if they fail to qualify for the Champions League in consecutive seasons from 2015-16.
The German sportswear giant could also cancel the contract if the club get relegated from the Premier League.
United failed to qualify for any of the European competitions this season after finishing seventh in 2013-14.
They will want a big improvement under new manager Louis van Gaal, 62
Now that would be a bloody good laugh for an awful lot of English Club's supporters. It happened in 1974 so why not again?