Swansea City's biggest summer transfer priority is now obvious as spotlight shines bright on goal ace Joel Piroe

Russell Martin probably hasn't had many weeks as good as this one.

Probably not in management, anyway. Certainly not at Swansea City.

Humiliating your big rivals on their own patch is enough to send morale skyrocketing on its own, but the reasons for positivity in SA1 go well beyond a comfortable derby win. Indeed, the Swans are enjoying perhaps their most impressive spell so far under Martin's tenure.

Russell Martin's encouraging Millwall admission as Swansea City deliver after Cardiff City euphoria

Some critics wondered if Tuesday's victory over play-off chasing Millwall would be a bit like after the Lord Mayor's show. Could Swansea regain the levels of energy and intensity that saw them so easily trounce their south Wales rivals on Saturday?

The answer at The Den felt emphatic. Indeed, it was a win that was just as impressive.

At the heart of their success in south London, a goal from the increasingly lethal Joel Piroe. The Dutchman providing a predatory finish just after the break, pouncing on Murray Wallace's heavy touch to net his 18th goal of the season.

"If you want it to fall to anyone, it's him," a beaming Martin said after the game. "He's so clinical with both feet and a brilliant technician, but the most important thing he has is the right mentality when he gets around goal. Composure, calm, he just focuses on his technique, takes a breath, relaxes, something that all top strikers possess."

Piroe's goal tally means he has now done what was probably unthinkable at this stage last season, surpassing the heroics of the previously indispensable Andre Ayew, whose influence on his team's play-off charge always loomed large. Ayew was allegedly referred to as 'the king' by team-mates last season, a nickname that