Born in Vila Velha, Espírito Santo, Pedro Rocha started his career in an Atlético Mineiro academy in his hometown, before attracting the interest of São Paulo.

[2] With the club he made his senior debut on 20 March 2013, starting in a 3–2 Campeonato Paulista Série A2 away win against Santo André, and scoring a brace through two penalties.

[4] On 7 January 2015 he was bought outright,[5] and was subsequently promoted to the main squad by manager Luiz Felipe Scolari.

[7] Pedro Rocha scored a brace in the first leg of the 2016 Copa do Brasil Finals against Atlético Mineiro, but was subsequently sent off.

If he played in predetermined number of games during the loan, Athletico Paranaense would hold an obligation to purchase his rights.