Career
He ended his career at Isidro Metapán of El Salvador. Alfaro started his career at juvenile team in 1987 named Bayer Valle Nuevo, he has the second position as goalkeeper after William ´´Gasparin´´ Hernandez, quickly he took the main position, and he was promoted to 3° division at Destroyer from Louisiana Libertad them he went to Alianza and joined Communicative Disorders Luis Ángel Firpo in 1995 and was soon promoted to starting goalie. He had a very successful time with Luis Ángel Firpo, winning 4 league titles (1997-1998, 1999 Clausura, and 2000 Clausura).
Goalkeeping scoring record
Alfaro was ranked number 8 in the World"s Most Successful Goalscoring Goalkeepers Of All Time chart with 31 goals, with 11 of those coming from a penalty kick.
Retirement
He announced his retirement from football in August 2010 after suffering a serious neck injury during the game against Atlético Marte. The incident brought a close to his playing career.
Alfaro made his debut for El Salvador in an April 1991 UNCAF Nations Cup qualification match against Nicaragua and has earned a total of 42 caps, scoring no goals. However, both were unsuccessful, with the national team failing to progress to the final group stages.
Also he played at several UNCAF Cups as well as at the 1998 CONCACAF Gold Cup.
Alvaro Misael Alfaro announced his retirement from the international game in 2006, after learning of problems with his heart. His final international was a February 2005 UNCAF Nations Cup match against Costa Rica.