The rather unexpected win over Besiktas has come as a lifeline to Celtic's season. When Martin O'Neill had named a second-string team on the night, most felt that the club had already given up on the Europa League and were focusing on domestic competitions instead.

Well, it is the substitutions that ended up turning things around. Callum Osmand scored a superb goal and set up another, while Camilo Duran scored a brace.

Ideally, Celtic fans would have wanted to see both start. But against Besiktas, they played the role of impact substitutes perfectly.

Was that O'Neill's plan all along? Most probably not. But it did work out, so credit to him. In the long run, though, it is expected that the club will need to replace the Northern Irishman, ideally next summer. When that time comes, whenever it may be, who will take on the reins? Well, it appears Celtic already know who they would want it to. be.

As reported by Football Insider, Celtic have set their sights on Kieran McKenna as the first choice to become the club's next manager.

McKenna's name has been doing the rounds of the Celtic rumour mill for quite some time now. Originally, he was thought to be one of the potential candidates for the job when Brendan Rodgers chose to walk away last season.

Since then, a lot of things have happened. But one significant change is the fact that McKenna is without a club at the moment, having left Ipswich Town in the summer despite guiding them back to the Premier League.

That being said, it is believed that Celtic would still need to pay Ipswich Town around £8 million if they want to hire McKenna before next summer.

So, if Celtic are serious about appointing McKenna, it is quite likely that they would want to stick with O'Neill at least until next summer, or bring in an interim manager in case a change becomes necessary.

Someone like McKenna would be an interesting choice for sure. On one hand, nobody can deny the success he enjoyed at Ipswich Town.

He took on an Ipswich Town team when they were in League One and guided them to back-to-back promotions.

While McKenna was not able to keep them in the Premier League, he got them back into the top flight soon after being relegated.

This is a manager who knows how to exceed expectations. But can he deal with them at a club like Celtic, where winning every game is the norm?