Alvaro Morata was the hero for Real Madrid during Sunday's narrow 2-1 win over Athletic Bilbao, scoring the winner with seven minutes remaining at the Bernabeu.
From Gareth Bale's cross, the Spaniard saw his initial effort parried by Gorka Iraizoz but followed up on the rebound to bundle home.
The victory saw Los Blancos climb back to the top of La Liga, one point ahead of surprise-package Sevilla and two in front of Barcelona, who beat Valencia on Saturday thanks to Lionel Messi's last-minute penalty.
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However, while Morata's late strike earned all three points, it was Cristiano Ronaldo's behaviour both during and after the goal that stole headlines.
In the video below, Ronaldo appears to raise his arm and call for offside against his own teammate, looking straight at the linesman when Morata finds the back of the net.
RONALDO 'APPEALS' MORATA'S WINNER
It was a bizarre action from Ronaldo who, instead of celebrating, then slapped his leg in apparent frustration at not scoring the winner himself.
Many were once again quick to slam the 31-year-old for being selfish and egotistical, but it seems there's a more logical explanation for why Ronaldo raises his arm when a teammate scores.
According Ed Malyon, revered European football columnist for the Mirror, Ronaldo's reaction is simply his way of confirming a goal has been allowed, rather than asking for it to be ruled out.
"Those who have watched the Portuguese regularly in recent years will recognise that pose, an instant semi-Shearer of a reaction," Malyon wrote.
"The most famous example came in Lisbon when Sergio Ramos grabbed a stoppage-time equaliser in the Champions League final and he clearly juts his arm skyward before rushing to retrieve the ball.
"Against Levante last season he reacted similarly for Borja Mayoral's goal, hand bolt upright at 12 o'clock while looking at the assistant referee to confirm that the ball had indeed crossed the line.
"So let's lay any conspiracy theories to bed, shall we? Ronaldo gives us more than enough sticks to beat him with."
Ronaldo would later miss a one-on-one in the dying embers of the game, despite having both Morata and Toni Kroos free to his left with an open goal at their disposal.
The Portugal international's reaction to missing said it all having scored just two La Liga goals this season. He's also gone five games at home in all competitions without scoring.