MADRID — Chelsea's Belgium goalkeeper Thibaut Courtois will remain at Atletico Madrid on loan for a third season, the La Liga club said Saturday. The 21-year-old, who won Spain's “Zamora” trophy for conceding the fewest goals in the top flight last season, said on Atletico's website he had wanted to stay on to compete with the Spanish side in the Champions League next term. He has made 98 appearances for Atletico, helping it win the Europa League in 2012, the European Super Cup and the King's Cup. Liverpool signs Alberto Liverpool has completed the signing of Spanish forward Luis Alberto from Sevilla on an unspecified long-term contract. The 20-year-old Alberto has played for Spain at several different youth levels and spent last season on loan at Barcelona “B,” scoring 11 goals and providing 17 assists in 38 appearances. — Agencies