Celtic manager Neil Lennon was uncompromising with his players after they were beaten 2-1 by Motherwell on Wednesday night.
Chris Humphrey and Michael Higdon scored either side of Georgios Samaras at Fir Park to send the 'Well to second on the table and Lennon was irate at his players, particularly the 'insipid' attack.
"I'm raging, bitterly disappointed," he said.
"And I can't accept it. The front-line in the first-half - apart that is from James Forrest - was insipid. People keep coming to me saying they want to play. Tonight they got the opportunity and did not play.
"Some of them need to take a good look at themselves and maybe I do as well. Maybe I made too many changes.
"If some of them think the league is won they won't play here again.
"They can go and find another club and I will play the kids because I'm pretty angry with some of the performances.
"If I detect they are wasting any game at Celtic - and it was apparent in some cases - it gives me a lot to think about.
"You earn the right to play and some players did not do that for us tonight."
Despite the defeat, the reigning champions remain clear on top of the Scottish Premier League table with a 19-point lead over Stuart McCall's Motherwell.
