Career
A native of Puerto Barrios, Westphal began his career playing for local club Bandegua (Bananera de Guatemala, later renamed DelMonte), making his Liga Mayor debut in 1985 at the age of 18. While playing for Bandegua, the big striker was the top scorer of the 1987 championship. In the 1993-1994 season, he played for Aurora Football Club, and after that he joined Comunicaciones, where he was part of three championship-winning teams.
After an unsuccessful stint with Universal Service Administrative Company, he returned to Comunicaciones, before ending his career playing for Antigua GFC. He retired from professional football in 2004 and had a farewell match in 2005.
With 201 career league goals, he is the fourth-highest goalscorer in the history of the Guatemalan league. He also played at the Gold Cup tournaments of 1991, 1996, and 1998.
Overall, he scored 16 international goals. His final international was a February 1998 CONCACAF Gold Cup match against Jamaica.