Speaking afterwards, Celtic manager Brendan Rodgers said: "It's always disappointing if you lose a goal late on like that, especially the manner of it".
He was loyal to his club at the time and gave out the message that they wanted to put out there, but I don't think Rangers fans need to worry about where his loyalties will lie when he comes to Rangers.
Rangers caretaker manager Graeme Murty signed off from his role with a hard-earned draw at Celtic and said new boss Pedro Caixinha will have seen his team's commitment at first hand. The Portuguese is expected to watch the game from... However, Celtic have been the best team in the Scottish Premiership, winning 26 of the 27 games, and having drawn one game.
Murty hailed Rangers' positive performance and felt the players had answered some of their pre-game critics.
He said on Sky Sports 1: "It's a gamble".
Gold Cup Draw: Mexico to play El Salvador, Curaçao, and Jamaica
Martinique and the victor of a playoff between Haiti and Nicaragua round out the group. Group A games are set for MLS stadiums in New Jersey, Houston and Frisco, Texas.
"Whenever Clint Hill tells me that 'he got away with it at the end" then that lets me know that it was a penalty. We tried to keep our composure but the pitch is a bit bobbly at the moment and it is not how we want to play.
"Just standing here and experiencing the whole thing, experiencing our fans, their fans and watching the team that you have had a hand in putting together was special."
"I'm pleased for the players". Craig Gordon made two magnificent saves, I thought we deserved that goal.
Celtic opened the scoring in the first half through Stuart Armstrong's rifled shot from the edge of the area, and the midfielder had two second-half efforts saved by the Rangers goalkeeper Wes Foderingham. "It's not nice to have that kind of result, so they'll be right up for it".