Uwe Rosler lost his job as Leeds United manager midway through October.
Rosler was sacked as Leeds boss midway through October, and replaced by Steve Evans.
And Cooper admits that he cannot say the squad were disgruntled under Rosler, as they felt he was a good manager.
“We were happy,” Cooper said. “I’m not going to pretend that I wasn’t. But like I said, that’s football. The lads have been good at sticking together with all this going on.”
Rosler ultimately lost his job as a result of Leeds’ struggles to collect victories over the early part of the campaign.
The Whites had won just two games under his stewardship, and three defeats on the bounce proved costly.
Since Rosler has gone, Leeds now have Steve Evans in charge, and the 52-year-old boss has sparked an immediate improvement in their performance levels.
Although Leeds are still looking for their first win under Evans’ stewardship, draws against Bolton Wanderers and Fulham have helped to lift the mood at Elland Road ahead of their match against Blackburn Rovers on Thursday evening.