The winger made his first appearance under Rodgers as an early second-half substitute for the crocked James Forrest in the 1-1 Champions League draw at Manchester City on Tuesday.
Mackay-Steven. 26, who had an ankle operation in the summer, hadn’t featured since the Scottish Cup semi-final penalty-kick defeat at Hampden in April.
“It’s exciting times at the club, so that’s what I want to do for the rest of the season. It’s been difficult having a long-term injury and having to watch from the sidelines.
“It’s not been nice watching the new manager coming in and everyone hitting the ground running, while you’re stuck on the sidelines.
“But I’m back now. I feel good and I’m building my match fitness. I’m raring to go. There are a lot of games coming up in the next few weeks and I feel I can contribute.
“I’m just happy to be back available for selection. I’ve never doubted my ability. It’s about training well and I’ve been doing that since I recovered from injury.
“I’m excited about the rest of the season. This is where I want to be.
“The team has improved since the manager came in. He’s been a breath of fresh air and everyone wants to show what they can do.
“It’s about working hard in training and my fitness levels are getting better.
“It’s a case of just keep doing what I’m doing and there will be chances. We’ve got nine games this month, so he’s told me to be ready.”