Lucas Pezzini Leiva, known as Lucas or Lucas Leiva (Brazilian Portuguese: [ˈlukɐz ˈlejvɐ]), is a Brazilian former professional footballer who played as a defensive midfielder for Grêmio, Liverpool, Lazio and Brazil. Lucas began his career as a box-to-box midfielder at Grêmio where he won the Campeonato Gaúcho in 2006 and 2007. Wikipedia