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)."
A draw can be backed at 3.3512/5.
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.