Oxford United chairman Ian Lenagan said the club had "thought long and hard about whether to employ a player with his [Luke McCormick's] background."
He added that McCormick's "clear repentance and the opportunity to allow him to rehabilitate whilst meeting our unique goalkeeping situation within the Salary Cap - which we might otherwise not have been able to do - resulted in our decision to sign him".
More top news
The Democratic presidential candidate may also have shown his cards on his choice of running mate.
The US president also shared a post on Twitter accusing Dr Anthony Fauci of misleading the public over hydroxychloroquine.
Fears over an impending second wave of coronavirus dominates Wednesday’s front pages.