By Sean Walsh Chelsea have entered the race to sign Jadon Sancho from Manchester United ahead of the summer transfer deadline, a report has claimed. Sancho was frozen out of the United fold last season after hitting back on social media at criticism from manager Erik ten Hag. He rejoined former club Borussia Dortmund on loan for the second half of the campaign and helped them reach the Champions League final, but they were unable to meet the financial demands needed to sign him permanently. Though Sancho was welcomed back into the United first-team setup by Ten Hag this summer, the winger has …