No biography available for Roberto 'El Flaco' Guzmán.
1984
1978
1984
1981
1973
1994
1975
1989
1992
1984
1975
1973
1975
1988
2000
1975
1984
1974
2002
1984
1979
1974
1990
1984
1988
1989
1995
1991
1987
1998
1982
1988
1986
1990
1991
1989
1973
1991
1990
1998
1986
1987
1983
1981
1986
2001
1989
1988
1981
1984
2001
2000
1995
1992
1989
1984
1980
2002
1974
2017
1989
1986
1990
1999
1976
1993
1991
1988
1989
1983
1991
1993
1989
1976
1991
1990
1977
1992
1991
1981
2002
1987
1987
1993
1995
1991
1990
1981
1992
1991
1989
2000
2002
1990
1984
2002
1985
1974
1980
1993
1988
2002
1993
1990
1995
1998
1994
1987
1995
1987
1980
1991
2001
1993
2007
1990
1987
1987
1997
1993
1993
1992
1993
1973
1977
1991
1996
1997
1981
1991
1997
1994
1980
1992
1991
1995
1997
1990
1991
