Chelsea does not lose in 18 out of 21 last matches.
Chelsea does not lose by more than 1 goal in 45 out of 48 last matches.
Chelsea concedes under 2 goals in 11 out of 12 last matches.
In 5 out of 6 last matches, Chelsea scores in the second half.
West Brom concedes under 2 goals in 8 out of 10 last matches.
Chelsea won in 6 home matches straight.
Chelsea does not lose at home over last 14 matches.
Chelsea does not lose at home by more than 1 goal in 24 matches straight.
Chelsea scores at home in 14 matches straight.
Chelsea scores over 1 goal in 10 home matches straight.