The Ibrox man was taking part in his first Old Firm clash after arriving from Brighton in the summer.
Celtic boss Brendan Rodgers saw things differently, telling reporters that his side dominated the game from start to finish.
"I think we stayed strong in the first half in our shape, but what we didn't do is, when they gave us the ball back, we didn't keep it for long enough and we felt like we were hanging on a little bit".More news: Tottenham's Son Heung-Min Avoids Miltary Duty After Asian Games Triumph
Rodgers added: "You have to respect that Steven [Gerrard] and Gary [McAllister] have done a great job, but I've always seen these as opportunities to show our quality". But look they're a good team.
He said: "We played against a team who have been together for two years - and even prior to that - and they have a lot more experience than this group of players".
Rangers boss Steven Gerrard remonstrates with officials in yesterday's defeat.
"I was standing next to the fourth official and he was shouting: "Foul, foul, foul" down his microphone, so I assumed it would be given".More news: ‘Real hero’: Crowds brave Arizona heat to honor John McCain
"I just assumed it would be given".
"Alfredo is a vital part of what we are trying to create here and although he has attracted close attention from other clubs it is important we hold on to him".
"The goal happened when we were attacking and there is a foul in there, then they basically run from the edge of their box into ours with a free man".
The champions are now second in the Premiership - three points behind Hearts - and four clear of Rangers, who have won just one of their opening four games, after this loss and stalemates at Aberdeen and Motherwell.More news: Liverpool v Brighton: Likely line-ups for Premier League clash