Reuters Sports News Summary Following is a summary of current sports news briefs.Billionaire Ratcliffe mulls buying stake in Manchester United - Sky NewsBritish billionaire Jim Ratcliffe's INEOS Sports is contemplating buying a minority stake in Manchester United rather than seeking full control, in an effort to end a nearly ten month-long process to resolve the club's future ownership, Sky News reported on Monday. Ratcliffe's INEOS Sports has …