Career
Marciel began playing for Grêmio"s academy at the age of ten. He was part of the team until 2012, when he was released. He joined a youth project team called Fragata, owned by former Brazil national football team player Emerson.
He eventually draw attention of Juventus, but signed a loan deal on the same year with Roma"s academy.
The loan ended in 2013 as Marciel didn"t have a European Union passport, therefore being unable to continue. In April 2014, Marciel signed a loan deal with Corinthians" academy and had a very successful campaign.
Corinthians
Marciel was bought by R$1,000,000 and promoted to Corinthians main squad in February 2015, right after the end of Copa São Paulo de Futebol Júnior. Marciel made his professional debut on 27 June 2015, as he entered in the second half of Corinthians" 2–1 victory against Figueirense at Arena Corinthians.
He also scored his first goal for Corinthians, as he netted the first goal of a 2–0 victory.