- Bats Right, Throws Right
- Height 5' 11", Weight 175 lb.
Alvarez was pitching coach for the Fort Myers Royals in 1985-1986, Appleton Foxes in 1987, Baseball City Royals in 1988-1990, Memphis Chicks in 1991-1992 and Omaha Royals in 1993-1997. He also spent many years as a roving pitching instructor in the Atlanta Braves organization. He was a pitching coach for the Greenville Braves in 1998-2000, Greenville in 2003, Richmond Braves in 2005, Mississippi Braves in 2011-2012, GCL Braves 2015 and Gwinnett Braves in 2016. Alvarez moved to the Detroit Tigers' chain as pitching coach for the GCL Tigers West in 2017-2019 and FCL Tigers West in 2021.