Watch Cristiano Ronaldo Score 1st Career World Cup Knockout Stage Goal, Hit Siu Celebration in Video

Cristiano Ronaldo converted a penalty kick in the second half of his team's Round of 32 match against Croatia at the FIFA World Cup.

After leveling the score at one, Ronaldo hit his patented Siu celebration as his teammates mobbed him in front of the Toronto crowd.

The goal marked Ronaldo's first in the World Cup's knockout round.