Russell Martin admits he's been thrilled by Ryan Manning's evolution this season following the Irishman's match winner for Swansea City against Preston North End.
The 25-year-old's stunning second-half strike earned the Swans all three points against Ryan Lowe's side as they brought an end to their five-game run without a victory.
And Martin believes Manning has been a revelation since slotting into a left centre-back role under the current regime.
