No Premier League team has a win streak longer than one game, and a turbulent month shows no sign of settling down. Manchester United are enjoying a rare spell as the form side in their city after a derby demolition – Sunday’s trip to leaders Arsenal, fresh off two goalless draws in a row, feels less daunting than it might for Michael Carrick’s men. As for City, their Arctic meltdown in midweek gives a home tie against spirited Wolves an unexpected edge. Will Marc Guéhi be parachuted straight into their threadbare defence?