Luiz Martin Carlos Júnior
Luiz Martin Carlos Júnior, commonly known as Luiz Júnior or Ceará, is a Brazilian-born Qatari footballer who plays as a defender for Al-Duhail in the Qatar Stars League.
He was born in Jaguaruana in the Brazilian state of Ceará.
He won the 2010–11 and 2011–12 edition of the Qatar Stars League with his club Lekhwiya.Luiz was called up the Qatar B team on 13 November 2013 by former coach Djamel Belmadi. He made official debut for the team on 25 December in the 2014 WAFF Championship in a 1–0 win against Palestine.