The Manchester United search for a new striker is heating up ahead of this summer, but one player has now ruled himself out of a move. Erik ten Hag for as bad as the on-field performances have been this season, has been so cruelly unlucky with injuries. The Manchester United squad has been thin for the entire season with several important players out for substantial periods, making the coming summer window vitally important amid claims of four key positions. READ MORE: Fabrizio Romano names the four positions he’s convinced Man Utd will sign players this summerAnthony Martial is one who’s been…