'Disgusting': Fans in meltdown over Cristiano Ronaldo moment

The football world has been left gobsmacked after a rare lowlight in the illustrious career of Cristiano Ronaldo.

The Portuguese star's Juve booked their spot in the knockout phase of the Champions League after a 2-1 against Lokomotiv Moscow in Russia.

However, it was Ronaldo's substitution in the closing stages of the match that had the football world buzzing.

Juventus coach Sarri has no doubt risked the wrath of the Portuguese star and fans after hooking him with the match hanging in the balance.

It takes a brave coach to bring off Cristiano Ronaldo when you're chasing a winning goal. Pic: Getty

Incredibly, it was the first time Sarri has pulled off his superstar player and only the third time in his Juventus career that Ronaldo hasn't seen out a match.

What's more remarkable is that Juventus were 1-1 with Lokomotiv at the time and searching for the winning goal that Ronaldo has provided on so many occasions.

The leading goalscorer in the competition's history, Ronaldo didn't appear to take his substitution overly well.

Unsurprisingly, the incident left viewers in a frenzy on social media.

Fortunately for the Juventus coach, his risky Ronaldo substitution paid off as the Italians were able to fashion the winner to seal their passage into the knockout stages.

It was somewhat of a match to forget for Ronaldo, who saw a free kick goal effectively stolen off him from teammate Aaron Ramsey.

Ramsey got the finishing touch on Ronaldo’s free-kick which Lokomotiv goalkeeper Guilherme let slip through his hands and legs just four minutes in.

Aleksey Miranchuk levelled in the 12th, tapping home his header which hit the post.

Douglas Costa scored in stoppage time to send Juventus into the last 16 of the Champions League on Wednesday, along with Bayern Munich.

The former Bayern winger Costa struck for a 2-1 win at Lokomotiv Moscow after a strong run past several defenders and a sublime one-two with Gonzalo Higuain.

Bayern have a maximum 12 points in Group B following their 2-0 victory against Olympiacos in their first game since coach Niko Kovac was sacked and assistant Hansi Flick acting as caretaker.

Robert Lewandowski broke the deadlock in the 69th minute for his sixth goal in the elite event and 21st in all competitions this season. Substitute Ivan Persisic wrapped up matters with his first touch in the 89th on the counter.

Bayern are assured of finishing in the top two with two games to spare. Tottenham (four) play at Red Star Belgrade (three) later in the day. Olympiacos (one) are last.

With AAP