They are also the joint-lowest scorers in the top flight with 15 strikes after their draw with Tottenham.
But Pulis says: "We just a need a little bit of luck more than anything.
"We're disappointed because, like other games, we have created good opportunities.
"We had two clear-cut chances. Matt Etherington had one that came back off Kyle Walker's foot. On another day that hits him and goes in. But you can't fault the players."