Argentina now have three points after two matches and now are second in Group C with three points, tied with Saudi Arabia and one point behind leaders Poland.
Brazil team doctor Rodrigo Lasmar said the extent of the injury would be known in 24-48 hours.
Germany looked in total command in the Group E clash but, with each missed chance, left the door open for Japan.
Saudi Arabia, the second-lowest ranked team in the tournament after Ghana, threw caution to the wind at the start of the second half, charging at Argentina's defence in front of a frenzied 88,012 crowd.
The Iranian players who met England in their first World Cup draw remained silent as the national anthem was played at the Khalifa International Stadium in Doha.
It has been estimated that the tiny oil-rich Gulf state has been spending $10 million each day since it won the right to hold the Cup more than a decade ago
The opening ceremony of the World Cup will take place on Nov. 20, ahead of the opening Group A match between hosts Qatar and Ecuador.
J.K. Diego feels that the Argentinians should also stand a good chance and it would be a fairy tale finish to star player Lionel Messi's international career
The Juventus midfielder lifted the trophy with his country in 2018, scoring the third goal in France's 4-2 final win over Croatia.
Barcelona defeated Mallorca 1-0, helped by Robert Lewandowski's goal.
The Portuguese striker did not travel on Manchester United's pre-season tour of Thailand and Australia due to family reasons.
Madrid got the vital goal in the 59th minute when Vinicius Junior scored the decisive goal.
The last time these two teams had faced each other in the Champions League final was back in 2018 when Real Madrid had emerged triumphant.
It is believed that the newborn boy died of complications during the delivery process but no specific reason was given by Ronaldo.
Muqdad Hassoo said I believe that football, not only can play a role in helping us with a safe integration into European communities, but also help us survive the traumatic experience caused by wars back in our home countries