The on-loan City midfielder’s header found Seamus Coleman whose mis-hit shot looped past David Marshall to put the Welsh side in deeper relegation trouble.
John Guidetti was forced to watch Stoke City’s 3-1 win over West Ham from the bench as the Potters’ recent good form continued and Scott Sinclair was also surplus to requirements as West Brom recorded a vital 2-1 win at Swansea.
In the Championship, Emyr Huws couldn’t prevent Birmingham City’s latest set-back as Blues slipped deeper into relegation trouble following a 4-1 defeat at Sheffield Wednesday.
Huws played the full 90 minutes but the Midlands side are in desperate need of a confidence boost with the prospect of League 1 football for the first time in 19 years.
Albert Rusnak was again an unused sub during the Hillsborough drubbing.
In Holland, Karim Rekik got another full game under his best as PSV Eindhoven kept in touch with leaders Ajax with a 2-1 win over Vitesse.
PSV are still nine points adrift of their Amsterdam rivals but still in contention for the Eredivisie title, though securing Champions League football a more realistic target.
George Evans claimed an assist as Crewe came from behind to earn a valuable point against Oldham Athletic at Gretsy Road.
Alex levelled in injury time as Harry Davis nodded home Evans’ corner to claim a 1-1 draw, though The Railwaymen remain in the bottom four in League 1.
