Celtic captain, Callum McGregor, has delivered his verdict on his fitness after beating Dundee yesterday afternoon. McGregor has been slowly returning to the Celtic first-team after picking up an injury that saw him miss four games earlier this season as Brendan Rodgers welcomed back important first-team players like Reo Hatate and Cameron Carter-Vickers. Returning on the bench at Ibrox, McGregor looked like a player who needed minutes in his legs and after getting another hour today at Dens Park alongside his time at Hampden against Aberdeen in the Scottish Cup, the Celtic captain sounded pos…