The Magpies manager says that Demba Ba played a crucial role in earning his side a 2-2 draw with Everton after being unhappy at his role as a substitute at Goodison Park
Frenchman Sylvain Marveaux took his place in the side but was hauled off at half-time for the former West Ham striker, who made an immediate impact scoring four minutes later before notching another late goal to earn the Magpies a priceless point at Goodison Park.
"Well he got two goals and could have had a hat-trick. I mean, sometimes players play well when they're angry," Pardew told Sky Sports.
Despite being forced to watch from the stands after pushing a linesman in the match against Tottenham, Pardew said he was able to change the mentality of the team at half-time after his side were second best for the majority of the opening period.
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"Half-time gave me the perfect chance to put some belief in the team. Forget about shape or systems or anything else, sometimes it's just about belief," he added.
"And I knew I needed to change that attitude, as the first half was as bad as we've been while I've been manager of this team. But we've got great spirit and we showed that at the end tonight, and that could be a massive, massive result for us."
Everton dominated proceedings in the early stages at Goodison Park and were unfortunate not to go into half-time more than 1-0 ahead, but the Magpies boss was always confident his players could turn it around.
He continued: "I was a little bit shocked at how we played in that first half.
"Fortunately we've got good spirit in the dressing room and good players, and Demba definitely changed the face of the game in terms of mentality where we can think we can win the game.
"Second half we gave a good account of ourselves. Not many teams with the players we had missing would come back from that, so great privilege to the players."