Chelsea won in 5 matches straight.
Chelsea does not lose in 27 out of 30 last matches.
Chelsea does not lose by more than 1 goal in 47 out of 50 last matches.
Chelsea concedes under 2 goals in 7 matches straight.
West Ham scores under 2 goals in 12 out of 15 last matches.
West Ham concedes over 2 goals in 7 out of 12 last matches.
Chelsea won in 5 home matches straight.
Chelsea does not lose at home over last 20 matches.
11 out of last 12 home matches involving Chelsea did not end in a draw.
In 8 out of 10 last matches where Chelsea played at home, both teams scored.