Martin O'Neill believes Sunderland will go into their tough festive fixtures boosted by Saturday's "massive" win at fellow strugglers Southampton.

Steven Fletcher's strike three minutes before half-time proved the difference on the south coast as the Black Cats held out for a 1-0 win in difficult conditions at St Mary's.

"In the last three games, we've been able to win two games against sides beside us at this moment," he said, referring to the 3-0 defeat of Reading and Saturday's victory.

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