Rotherham concede 0.6 a game with Verdonk and Espíndola paired
Seven matches alongside each other have turned Rotherham United's defence into a closed shop; seven without the pair intact have turned it into an open one.
Seven games together, seven without. That is the split on which Rotherham United's season currently turns, and the numbers do not sit on the fence. With Daudé Verdonk and Santiago Espíndola both in the centre of defence, the Millers have won five, drawn two and lost none, scoring 2.4 goals a game and conceding 0.6. Take one of them out and the same side has won three, drawn one and lost three, scoring 1.9 and conceding 2.1. The goals going forward barely stir; the goals going in more than triple.
Espíndola arrived from Club Atlético Independiente on 3 September for £6.7m, a fee that already looks like small change. In his eight games for the club he has yet to score, which is rather the point: his work is measured in what the opposition do not get. Verdonk, a £27.5m signing from FC Volendam on 29 June 2056, has spent seven years and 308 games learning the rhythms of this side, and the pair have settled into a division of labour that the scorelines keep confirming.
The wider summer at Rotherham was one of movement: Vedat Dogan departed for West Ham United in a £38m deal, while Kemal Aydın has broken into the eleven. A rebuilt team needs a fixed point, and the Verdonk–Espíndola axis is proving to be exactly that.
Seven matches is a small sample, and the fixture list has a say in such splits. But a defence that concedes once every 150 minutes when whole and once every 43 when not is the sort of pattern that tends to survive the arithmetic. Rotherham's season so far reads as a simple proposition: keep the two of them on the pitch.