He currently plays for Brora Rangers, wearing the number 5 shirt. He plays primarily as a Defender. He stands at 188cm tall and weighs 71kg.

His most recent move was a from Elgin City to Brora Rangers on 2017-07-01.

Throughout the Scottish League Cup 2025-2026, M. Nicolson featured in 4 matches, averaging 0 tackles, 0 interceptions, and 0 clearances per game, while blocking 0 shots per game.