 20 and made 10 appearances in 2012 Campeonato Brasileiro season.On 16 March 2012, Thomás earned his first Copa Libertadores debut against Paraguayan club Olimpia Asunción at group stage, started the game and played 78 minutes.He played for Flamengo in 28 professional matches including 19 Campeonato Brasileiro appearances and nine more Campeonato Carioca games.