Stoke have conceded only 3 home goals this season (in 7 matches). But they only scored 5. Results were 2-1 vs. Palace, 0-0 vs. Man. City, 0-1 vs. Norwich, 0-0 vs. WBA, 1-1 vs. Southampton, 2-0 vs. Sunderland, 0-0 vs. Cardiff. I'd expect a clean sheet from Chelsea here and 2-3 goals scored.