Clavasquín started his career at hometown club Platense before joining Motagua in 1998 before the start of the 1998 Clausura. He scored the 1998 Clausura golden goal against Olimpia from a free-kick to make Motagua champions after a 13 year wait. He scored in the 1999/2000 Final.
In September 2000 he went abroad to play for Scottish Premier League side Dundee United but left the club citing personal reasons in October 2000.
He retired in 2006 and became assistant manager of Motagua and in his first season he became champion. In October 2012 he made his debut as head coach of Motagua after the departure of Mexican coach José Treviño.