Departed manager Brendan Rodgers "changed the landscape massively" at Celtic, while John Kennedy leaves "a big hole", according to captain Callum McGregor.

Rodgers resigned on Monday evening, with long-serving assistant Kennedy's exit confirmed the next day.

Martin O'Neill and Shaun Maloney have been appointed on an interim basis and are preparing for Sunday's Premier Sports Cup semi-final against Rangers after starting their temporary reign with a 4-0 home win over Falkirk on Wednesday.

"I just found out the same as everyone else," McGregor said when quizzed on Rodgers' surprise decision to quit, which was announced in a brief statement.

"I spoke to the manager maybe 10, 15 minutes after it. We had a chat, which will stay private for obvious reasons. It's a shock at the time and then very quickly you're five minutes from going to bed.

"You've got to deal with the aftermath of that. I spoke to some of the players and then we came back in on Tuesday and it's business as usual, you've got a game to play the next day."

Rodgers won four titles, along with seven cup triumphs, over his two stints as...