Complex sentence: Abel Luís da Silva Costa Xavier (born 30 November 1972) is a former Portuguese professional footballer who played as a full back, and the current head coach of the Mozambique national team.
Split into simpler sentences: Abel Luís da Silva Costa Xavier (born 30 November 1972) is a Portuguese former professional footballer who played as a full back. He is the current head coach of the Mozambique national team.