The Magpies will take on Manchester United away from home at Old Trafford in the Premier League in a few hours’ time.
Perez seems confident about Newcastle’s chances of winning the encounter and has posted the following message on Twitter:
Newcastle have made a disappointing start to their 2015-16 Premier League campaign.
The Magpies drew 2-2 with Southampton at St. James’ Park in their opening league game of the season.
Steve McClaren’s side went down 2-0 to Swansea City away from the home at the Liberty Stadium last weekend.
United will be heavy favourites to win today, as they are at home and are in form.
The Red Devils have won their opening two Premier League games of the season, defeating Tottenham Hotspur 1-0 at Old Trafford before getting the better of Aston Villa away from home at Villa Park by the same margin.