Surrey just about edged past the follow on target...and then once Spriegel had shepherded us past that target and got out, the lad obviously knew they had a free hand, and there then ensued a 100+ rapid-fire partnership between Andre Nel and Jade Dernbach, who both made comfortably their highest first class scores in the process.
Dernbach had never previously scored a first class fifty, he finished unbeaten on 56, but it was Nel who was the star, his 96 - agonisingly short of a maiden first class hundred - was easily the highest of his career.
That partnership improbably took Surrey to within 11 of Northants' first innings total of 397, and dragged them right back in to the match. From it being touch-and-go as to whether or not Surrey would make the follow on, they've given themselves an evens chance of winning the match.
Tomorrow morning the bowlers need to get in amongst the wickets. Nel, who took 2 wickets despite opening the bowling just 10 minutes after he'd made the last of his 96 runs, and hopefully a night's sleep will only add to his accuracy.
Chris Schofield also bowled exceptionally well - at one stage he'd bowled 7 overs for 7 runs, with a wicket along the way. Tomorrow morning Boje and Hall, Northamptonshire's South African spine, need to be prised from their positions quickly - if they are, Surrey are well and truly in with a chance of finishing off the tail and then having a go at a target of 250ish. Come on the 'Rey!