According to his agency, Lautaro Martinez has received pain-relieving injections to enable him to represent Argentina at the World Cup.

Despite four outings at the tournament in Qatar, the Inter striker is still without a goal, and La Albiceleste have advanced to the round of eight.

Martinez made the starting lineup for both the 2-0 victory over Mexico and the shocking opening loss to Saudi Arabia, in which two goals were disallowed for offside.

However, he was chosen for the bench against Poland in the last group match, and he also entered the game against Australia in the round of 16 with less than 20 minutes remaining.

The attacker is seeking treatment for an ankle ailment, Martinez's agency said before of Argentina's quarterfinal matchup with the Netherlands on Friday.

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"Lautaro has been taking injections because he has a lot of pain in his ankle," Alejandro Camacho told La Red.

"He's working hard to make that pain go away, and as soon as that happens, he'll be flying on the pitch. Martinez is a top player in the world.

"He is very strong in the mind, but the goals that were disallowed against Saudi Arabia were hard moments for him."

Manchester City's Julian Alvarez has been the man that Argentina head coach Lionel Scaloni has selected to start in Martinez's place.

Camacho believes Alvarez and Martinez are helping each other's performances, adding: "The competition makes him [Martinez] and Julian stronger, because contrary to what you might think, they are good for each other."