How teams play, and why it works.
Arsenal win 64% of league games Saka starts and 53% of those he misses. With their star winger facing time out with a quad injury, here are the options for Mikel Arteta and the five games in the next fortnight.
What do the numbers in 4-3-3 or 3-4-2-1 mean, and why do coaches choose one over another? A clear guide to the five formations you will see most, with their strengths, weaknesses and the teams that use them.
Chelsea have scored freely under Xabi Alonso but conceded too often. Saturday's 2-0 win at Everton, their first league clean sheet since January, suggests the balance is starting to come.
