Lionel Messi scored the first goal of the World Cup for Argentina against Saudi Arabia on Tuesday.

Messi and his strongly fancied Argentina side are up first when they face Saudi Arabia in Group C, followed by Denmark versus Tunisia in Group D.

"I don't know if this is my happiest moment, but I feel great.

"I'm older, more mature, I want to make the most of everything, to live it with the maximum intensity and to enjoy every moment that I have."

Bd-pratidin English/Golam Rosul