Sixth-placed Derby County travel to South Wales tonight to play Swansea City (kick-off 7.45pm), with Frank Lampard's side hoping to use their game advantage to strengthen their grip on the final Play-Off position.

It's the latter of two crucial catch-up fixtures in the second tier this midweek, after last night saw Bristol City come from behind to beat Millwall at The Den.

Millwall's safety had already been confirmed ahead of our opponents on Sunday, Rotherham United, thanks to results last weekend, but Lee Gregory gave the hosts the lead late in the first half and Shaun Williams missed a penalty that would have doubled their advantage.

That was before Jamie Paterson and Famara Diedhiou scored within five minutes late on to complete the turnaround in City's favour. Those three points mean Lee Johnson's team hold onto their own slim hopes of snatching sixth.

But of the two, The Robins' result is arguably not the most pressing matter for Boro. Bristol City remain a point behind Boro in eighth place, with both teams having just one to play - meaning that finishing above City remains in our hands this weekend.

The side that Boro are hoping to unseat in sixth spot are in action tonight.

Derby County travel to the Liberty Stadium in good form, losing just one of six games in April and notching an impressive win over Bristol at Ashton Gate. 

But Swansea City are also in good nick, particularly on home turf. The Swans registered four home wins from five in April, drawing the other, and scoring 15 goals in the process. One of those wins was, of course, a 3-1 success over Boro. 

The good news for the Teessiders is Swans boss Graham Potter's vow to "respect the league" with a full-strength side tonight, determined to win despite their own faint Play-Off ambitions finally coming to an end.

Derby's six-goal advantage on goal difference means Boro will be hoping they do slip-up tonight - which would put it all on the line as we travel to relegated Rotherham on Sunday as The Rams host fourth-place West Brom.

Pulis' former employers, The Baggies have guaranteed a Play-Off spot but have something at stake - victory could mean they avoid neighbours Aston Villa in the Play-Off semi-finals and instead face the sixth-placed side. To do that, they would need to win and hope Leeds United lose at Ipswich Town.