By translation

很多人都說阿根廷只能靠美斯，Many had said that Argentina can only depend on Messi.

但今天阿根廷晉級，However, Argentina's advancement, 

靠的不是美斯 was not dependent on Messi 而是今屆一路上寂寂無名的 門將羅美路。but on this lonely nameless /door general/gate keeper/, Romero

【看到人心酸的父子情】"Upon seeing the sadness in the relationship between father and son"

看見爸爸輸掉比賽 喊到收唔到聲 感人！On seeing the father losing the match, his son sobbed non stop until people were moved.
知道今年已經30歲的爸爸幾咁渴求一個世界盃冠軍，Knowing that this year, already 30 year old father wanted to win the World Cup

洛賓的兒子見到爸爸輸掉比賽後喊到收唔到聲，Robben's son saw after his father's loss in the competition, he sobbed unceasingly.

洛賓上前安慰，Robben went to the front to console. 場面感動！The spectacle was moved.

After polishing, 

Many had said that Argentina can only depend on Messi. However, Argentina's advancement was not dependent on him but to a lone and nameless goalkeeper, Romero.

"The Moving Story Between Father and Son"

Upon seeing his now thirty year old father who had wanted so much to win the World Cup, the son sobbed unceasingly as he witnessed his father's loss.  However, Robben went up and consoled his son.  The entire audience was moved.

As you can see, your translation is not too far off.  So I say it is a good one.  Just that there are extras not in your original.  Your last line, "A very touching scene" is much better than what was translated for it is more natural in English. However, as a translation exercise, I need to be truer to the original so that you can understand better.

A Tidbit of the World Cup

Two time world champion winning Argentina will enter go into the finals.  Many people said that Argentina is too dependent on their ace player, Messi.  but However, last night the squad team had advanced to the finals depend on because of an anonymous goalkeeper,  name Romero. How ironic! Touching!

Robben's son understood that her his father desire to win the a World Cup Title, , keep kept on crying after witnessing her father lost the game. Robben went to comfort his weeping son. Really a touching scene.

當你初学写英文, 最好有份中文版. 因為用錯字时, 我们容易地正確來修改. 

Tidbit of world cup

Two-time world champion Argentina WENT into the finals. 
Many people said Argentina IS too dependent on their ace Messi,
but last night the squad advanced to the finals BY depending on THE anonymous goalkeeper named Romero.

IT IS touching! Robben's son KNOWS that her father DESIRED FOR a world cup title. HE keeps crying AS HE witnessed her father LOSING the game. Robben went to comfort HIS weeping son.

It is a very touching scene.

很多人都說阿根廷只能靠美斯，但今天阿根廷晉級

，靠的不是美斯 而是今屆一路上寂寂無名的 門將羅美路。

【看到人心酸的父子情】看見爸爸輸掉比賽 喊到收唔到聲 感人！

知道今年已經30歲的爸爸幾咁渴求一個世界盃冠軍，

洛賓的兒子見到爸爸輸掉比賽後喊到收唔到聲，

洛賓上前安慰，

場面感動！