Spurs are currently on an 11-match unbeaten run and are just seven points behind leaders Manchester City.
“Why not? It’s not impossible with the players we have got in the changing room,” Walker told Sky Sports.
“You look around at the players who aren’t getting games and sometimes I can’t believe that I am even playing. There is quality and top-class players in there who are all internationals.
“It’s great to be around the lads because none of them have got egos, we all work as a team and it’s enjoyable to be around.”
