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Benik Afobe scored his 13th goal in 20 games for Wolves

Striker Benik Afobe's goal kept Wolves' Championship play-off hopes intact and increased Wigan Athletic's woe as they face a last-day fight against relegation.

Wolves took the lead when Afobe met Bakary Sako's 25th-minute free-kick to fire home from close range.

Wigan fought back in the second half and almost found an equaliser but Kim Bo-kyung was adjudged to be offside.

James McClean was then sent off late on for Wigan for a second yellow card.

Wigan would have been relegated had Millwall not let a 3-1 lead slip against Derby.

The Latics' relegation will be confirmed if Rotherham avoid losing to Reading on Tuesday, and if the Millers are beaten, Wigan must win against Brentford on the final day of the season to stand any chance of survival.

Eighth-placed Wolves, meanwhile, will go into their final game of the season needing to win at home to Millwall and hope results go their way to reach the play-offs.

The hosts almost took the lead early on when McClean weaved his way through the Wolves back four, but his shot hit the side-netting, while Jermaine Pennant forced Tomasz Kuszczak to parry his shot away.

Wolves took an unlikely lead midway through the first half when Afobe scored his 13th goal in 20 games for Wolves and his 32nd of a prolific season.

McClean later teed up Emmerson Boyce on the edge of the Wolves box, but he curled his effort just over the crossbar.

The visitors had a goal disallowed for Afobe's handball shortly before Wigan midfielder Kim was denied by the assistant referee's flag.

Marc-Antoine Fortune had a late effort pushed wide by Kuszczak, before Wigan winger McClean was dismissed for a second booking after a late tackle on captain Richard Stearman.

Wolves boss Kenny Jackett:

"I thought it was a very hard-fought, competitive, feisty game, as you would expect with Wigan having everything to play for.

"They threw everything at us and it's an excellent clean sheet from our point of view.

"We played narrow in midfield, forced the ball wide and defended the crosses well.

"With Nouha Dicko and Afobe on the break, I thought we always had a threat."

Wigan manager Gary Caldwell:

"At this stage of the season it's results that you're looking for.

"The performance for the first 25 minutes is something I'm sure I'll look back on in the future as the way I want my team to play and express themselves.

"In a few days I might be able to look back and be happy, but the result was the most important thing and we didn't get that."