Two sides in form meet when Southampton host Chelsea. Opta tries to prise them apart.
"The Blues are unbeaten in their last 10 Premier League matches (W4 D6)."
Southampton have failed to keep a clean sheet in their last 11 Premier League games against Chelsea. Both teams to score is 1.9620/21.
Chelsea have won four and lost just one of their seven Premier League trips to St Mary's. They are 2.6413/8 to win.
There have been four goals netted inside the first 20 minutes in the last three Premier League meetings between Chelsea and Southampton. Over 2.5 goals is 2.3211/8.
Southampton have scored the most headed goals in the Barclays Premier League this season (11). They are 1.392/5 to score a goal.
Diego Costa has scored seven goals in his last eight Premier League appearances. Costa is 2.47/5 to score.
Southampton have gone nine hours and 14 minutes since they last conceded a Premier League goal. They are 3.259/4 to keep a clean sheet.
The Blues are unbeaten in their last 10 Premier League matches (W4 D6). A draw can be backed at 3.3512/5.
Ronald Koeman has the best win percentage of any Southampton manager in Premier League history (45.3%). Southampton are 3.02/1 to win.
Guus Hiddink has lost just one of 22 Premier League matches as boss of Chelsea (W14 D7 L1). His side are 4.67/2 to win half-time/full-time.
Hiddink lost just two of the nine Eredivisie games against the Koeman brothers (W3 D1 L1 vs Ronald, W2 D1 L1 vs Erwin). The draw half-time/Chelsea full-time is 6.86/1.