Facts: - years active: 2010 - '' present '' - team: tata fight team - birth date: 7 january 1984 - mma koloss: 1 - sherdog: 90021 - fighting out of: rio de janeiro , brazil - height: 6 0 - mma decwin: 3 - name: thiago santos - birth place: rio de janeiro , brazil - mma decloss: 1 - mma kowin: 7 - nationality: brazilian - residence: rio de janeiro , united states - mma subwin: 1 - nickname: marreta - mma subloss: 1 - rank: black purple belt in brazilian jiu-jitsu belt in muay thai green rope in capoeira Based on these bullet points, write a short biography describing the life of thiago santos -lrb- middleweight fighter -rrb- .
A:
thiago santos is a mixed martial artist fighting in the middleweight division of the ultimate fighting championship .he gained entrance into the ufc by competing on .