Miguel Sinfronio was born in Moura in 1999 and started to play in 2014 in his hometown club Moura VC. In the following year he transferred to SL Benfica where he currently plays, and becomes also part of the youth national team center. The 194-cm middle-blocker needs more experience and to work hard in his technical and physical skills. His first international cap was in 2015 for the U17 national team having played this year the U19 European Qualification pool and also the European qualification for the 2017 FIVB U21 Men Volleyball World Championships.