Rio de Janeiro:Argentina international striker Lucas Pratto has vowed to score "important goals" for Sao Paulo after joining the Brazilian Serie A outfit from local rivals Atletico Mineiro.

The 28-year-old signed a four-year deal after the six-time Brazilian champions agreed to an undisclosed transfer fee earlier in the day,reports Xinhua news agency.

"Fans can expect goals, important goals, but apart from that a lot of commitment and dedication to the team," Pratto told reporters on Saturday.

"I will do all I can to help bring success to Sao Paulo and I hope the fans will be behind us because their support makes things easier," he added.

Pratto scored 41 goals in 104 appearances for Atletico Mineiro following his 2015 move from Velez Sarsfield. He has capped four times for Argentina's national team, scoring two goals.IANS