The Black Cats boss admitted that his side have made things a lot more difficult for themselves by conceding a late equaliser to Southampton.
The Portuguese has scored six goals in the Championship this season.
The Gunners boss says he is "bored" of having to justify his position as manager after nearly two decades in the job.
West Ham United are said to be interested in signing Alex Oxlade-Chamberlain from Arsenal.
Newcastle are in danger of getting relegated from the Premier League.
Tottenham Hotspur have been linked with the Sporting Lisbon player.
Liverpool take on Manchester United in the Europa League this week.
Derby County, Nottingham Forest and QPR all want the Celtic midfielder.
Sheffield Wednesday will face Brighton & Hove Albion, while Wolverhampton Wanderers will take on Bristol City in the Championship this evening.
Rangers are in the Scottish Championship at the moment, while Celtic are currently in the Scottish Premiership.