Manchester United visit Chelsea on Sunday afternoon in what would have previously been considered as a decisive Premier League title encounter. That's not quite the case this weekend. Chelsea's defence of the league has been desperate, while United have in past months come in for heavy criticism for their style of play and poor results. Both teams do appear to have hit form recently though, and the encounter at Stamford Bridge remains an interesting one. Here's three key battles that could...
Source: 90min.com