Last time England won two matches in a Test series against Sri Lanka, before this. They played 6 series in between these two series.

No. of batsmen who reached 10,000 Test runs at a younger age than Cook who got there at 31 years, 157 days. Tendulkar was the youngest at 31y, 326d.

No. of bowlers who have taken 450 or more Test wkts, including Anderson who joined with his wicket of Herath. He's the 3rd fast bowler to do so.

No. of wicketkeepers who have scored a century while following-on in Tests, including Chandimal. Andy Flower is the only keeper to do it twice.

Runs scored by SL in their first three inns of this series - 91, 119 and 101. They have scored more than those 3 inns combined in the 2nd inns of this Test.

Number of fifty-plus scores by Angelo Mathews while following on in Tests - the most by a Sri Lanka batsman.

Number of partnerships for Sri Lanka that had faced 100 balls in this series before the one between Silva and Mathews. Silva and Karunaratne's stand had lasted 99 balls.

Kaushal Silva's batting average from his last ten Test innings. Had got out for four single-digit scores, including two ducks.

Ave 1st-wkt stand for SL in this series, in their previous three inns. They lost their 1st wkt exactly at the score of 10 in each of their innings. Not in this 2nd inns but.

Last and the only time Sri Lanka were asked to follow-on twice in a Test series, before this - by India in 1993-94.

Last time England enforced follow-on twice in a Test series, before this, was against Bangladesh in 2010. Last by any team was NZ v WI, 2013-14.

No. of lower innings totals at Chester-le-Street in Tests than Sri Lanka's 101 in this match. Zimbabwe were all out for 94 in 2003.