As the title race hots up and the games tick down, Celtic look like they could have found a new groove after the weekend’s win over Motherwell. Brendan Rodgers’ sideleft it late against The Steelmen but still picked up a huge three points to stay tight with Rangers at the top of the league. With key players now returning from injury, John Hartson believes that there is one who is just as important to Celtic as captain, Callum McGregor. Hartson said [The Go Radio Football Show], “He’s massive. He’s a McGregor. I think when Cameron Carter Vickers plays he brings that calmness to the back four. “…