Glazer bought a further one million shares in the club to increase his holding from 16.31 percent to 16.69 percent.
Glazer, owner of the Tampa Bay Buccaneers NFL franchise, has refused to rule out a takeover bid for the club and is being monitored by the Takeover Panel on the London Stock Exchange.
United suffered a blow on the pitch last night, however, losing 2-1 away to Porto in the Champions League.






