The striker has taken a swipe at teammates over their lack of creativity.
Ba told The Sun: "It bothers me a bit when the team doesn't create much, because football is about beautiful play.
"People come to the stadium to watch good football and not to watch long balls from the goalie to the striker.
"Next Saturday is QPR, and at the slightest mistake the crowd will become very demanding.
"If we repeat the same performance we put in last weekend I think it will be enough. You shouldn't forget that we played the reigning champions."