...but Warnock fumes at late spot-kick winnerBy John Lyons

WHAT A HERO: Swansea’s Andre Ayew celebrates his last-gasp winner against Middlesbrough yesterday and, Inset, netting from the spot at the death to beat Stoke in midweekPICTURE: PA ImagesFURIOUS: Middlesbrough manager Neil WarnockANDRE Ayew proved to be Swansea’s hero with a lastgasp penalty winner for the second game running as they stepped up their promotion push – and left Middlesbrough boss Neil Warnock seething.After netting a contentious penalty to earn the Swans a 2-1 win at Stoke on Wednesday...