Peterborough United see off 10-man Wigan Athletic in under 21 match
Hisham Chiha and Reuben Marshall both struck the woodwork in the first 20 minutes as Posh started strongly.
Finallyt centre-back Fernandez opened the scoring on the half hour after McGlinchey had returned a partially cleared Kai Corbett free kick back into the penalty area.
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Hide AdWigan responded well before the break and hit the top of the crossbar before forcing Posh ‘keeper Will Lakin into a smart save.
Corbett saw a penalty saved after 62 minutes after the former West Ham man had been tripped inside the area.
But Corbett made amends 10 minutes later with a precise free kick which enabled McGlinchey, who joined AFC Rushden & Diamonds on loan last week, to score.
A bad foul on Fernandez inside the Posh penalty area led to a scuffle which ended with Wigan’s Joe Adams receiving a red card.
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Hide AdBut the 10-men pulled a goal back two minutes from time through Ethan Mitchell.
Posh: Lakin, Mensah, Powell, O’Connell, Harris, Fernandez, Hickinson, McGlinchey, Marshall, Chiha, Corbett. Subs: West, Tonge, Titchmarsh, Lamb, Fox.