"It's hotting up and it reminds me of last season," Defoe said in this month's edition of Hotspur magazine.
"When we were in that fourth spot, the consistency we showed was unbelievable.
"There was a lot of pressure on and we did it in the end. To do it again would be special.
"We know every game is now like a cup final. We've just got to approach it and think: 'We've got to win.' A point is not enough, we've got to get three points, and you've got to have that winning mentality.
"The top teams over the years; they've done it so we've got to be the same.
"I believe we can do that. We've got great players, a squad of internationals, players who can handle that pressure, who've played many times for their countries.
"And the team spirit's really good; I think that's important as well. When the spirit's good everyone is together, we're all fighting for each other."