Liam Burt is part of a very exclusive group.

Only a handful of footballers can say they have turned out for both sides of Glasgow's fierce derby at Celtic and Rangers, but Burt wears his experiences as a badge of honour. Having trained alongside the Hoops' 10 in a row chasers and gained first-team football under Mark Warburton at Ibrox, the 21-year-old certainly gave his all to make the most of his unique situation.

Burt left Celtic as a kid before heading across the city to join Gers, only to be re-signed once again by his boyhood heroes. A whirlwind of a young career, even this early, with loan spells at Dumbarton and Alloa Athletic peppered in, too. In another life, the midfielder would have burst onto the scene at Parkhead. He's the type of player to get bums off seats. His style suits the attack-minded Celtic team of now and of yesteryear.

But he found himself, to an extent, in the right place at the wrong time. Neil Lennon's men are on course to make history as they hunt the 10, having completed a treble Treble. The likes of Callum McGregor, Ryan Christie, Scott Brown are all well ahead of Burt right now. Even the non-starters in Olivier Ntcham and Nir Bitton are some way in front.

Burt understands. The level-headed youngster has no hard feelings about being told he would not be offered a new deal past this summer. In fact, he still has pride in himself knowing that manager Lennon remains a fan. "It's hard to break into a team with players like Callum McGregor and Ryan Christie who are playing in the Champions League," he told Herald and Times Sport. "It was always going to be a challenge to break in, and I knew that before I went back in. I had confidence in my ability that I showed the manager and he gave me some good praise when I was there. Especially after my year at Rangers being in and out with injury.

"I think the manager did like me and he praised me a few times. There was once in particular I played alongside Leigh Griffiths and scored a hat-trick. I'll never know what might have happened had the league continued, but the virus stopped that. I might have got a wee opportunity.

"I wasn't going to Celtic expecting to be first-team right away, I knuckled down but it was going to be hard and it proved that. It's completely understandable that I didn't play with 10 in a row and so much at stake."

Burt took the decision, along with the Hoops boss, to leave Celtic this past July but has not been short of suitors. The creative playmaker has gone straight in to train with Barnsley in the English Championship and scored a handful of goals in bounce games against the likes of Sheffield Wednesday, which shows the level of talent he has and the regard in which he is held.

He doesn't put that down to just himself, however. The youngster has always doffed the cap to those who have helped him on his way. Those who have had the biggest impact on his career. And while he describes his time at Celtic as a dream come true working with top players and coaches, it is a former Rangers manager he has to thank for giving him game time in the Light Blues first-team.

"The last year when I was at Rangers, Steven Gerrard was there but before that was Pedro [Caixinha] and Graeme [Murty]," he added. "But the manager I showed what I was about most under, though, was Mark Warburton. He gave me my debut. I enjoyed my time there when I was 16 or 17 coming through. I was having fun that year but when he left, a few months later I got a bad injury.

"Stephen McManus came in at Celtic when I was there and he was good, as was Tommy McIntyre. With Stephen having played and captained the club it was good to get what he thought of you as a player and a person. As far as the first-team, near enough everybody was helpful. Because it's quite tight between the first-team and reserves, I felt comfortable since the first day I went in.

"It was a privilege to play for both clubs and I learned a lot from both. Not many people can say they've played for Rangers and Celtic."