West Ham star Ben Johnson could commit the ultimate Spurs sin this summer if a new claim is true and fans won’t be happy. Academy graduate Ben Johnson looked like he might just be the answer to West Ham’s full-back issues. But now he could be about to make a decision which will ensure he is disliked by West Ham fans forever. Because a new report states he is considering joining Tottenham Hotspur on a free transfer. Johnson has struggled to establish himself in the side for any prolonged period. And he was widely criticised by Hammers supporters for his performances when he did get game time la…