The Candystripes coach launched a scathing attack on his players after an uninspiring 2-1 home defeat to UCD at the Brandywell
Goals from Barry McCabe and David McMillan were enough to clinch victory for the Students as they triumphed over the Brandywell side.
Speaking to the Derry Journal, Devine revealed that training had been 'brilliant' in the lead up to the game, but that he would have to make several changes after the performance.
“Training had been brilliant all week - we were confident going into the game," said Devine. "And I can’t put my finger on what is going on at the Brandywell but if that’s the kind of performance that we are producing then changes have to be made
“I will be quite happy to bring in some of the younger players for the rest of the season if other people aren’t prepared to go out and work their socks off for the team.
“I am disappointed and I am angry. I felt that for all of the preparation we put in this week, we didn’t start the game well. We made a lot of careless mistakes and as a result our careless approach left us wide open,” said the Candystripes boss.
Derry City will travel to the Showgrounds on Saturday September 29 to take on league-leaders Sligo Rovers in their next Airtricity League game.