With two goals for a Chelsea side who are really finding their feet under head coach Enzo Maresca, Nicolas Jackson producing a thrilling display in the 3-0 victory at London rivals West Ham United .
The current rate of 0.9 subs per match before the second-half restart - 44 in 50 - matches is the highest ever in a Premier League season. Meanwhile, the weekend’s total of 14 such substitutions has ...