Sunderland beat Reading 3-0 at the Stadium of Light as the Royals’ survival bid received another blow.
The Berkshire outfit have struggled since their promotion to the Premier League, only winning one of their sixteen games so far.
And Brian Mcdermott, who up until now has still found favour with the club’s supporters, faces a tough task to save last year’s Championship winners as they sit six points adrift of safety.
Nicky Shorey and Nicky Hut both had chances for McDermott’s Royals but they couldn’t find their way back into the match.
And, to put a shine on the victory, Stephane Sessegnon coolly rounded Federici, after outmuscling Adrian Mariappa, to slot the ball into an empty net.
Sunderland now climb out of the relegation zone and up to 15th as O’Neill looks to improve on his side’s recent poor form.