Did a Beckett search on his name and these popped up for baseball - sound like the right guy?
1989 Fresno State Bulldogs Smokey #2 Bob Bennett CO - n/a
1989 Fresno State Bulldogs Smokey #3 Bob Bennett CO - n/a
1990 Fresno State Smokey #1 Bob Bennett Co - n/a
1991 Fresno State Bulldogs Smokey #1 Bob Bennett CO - n/a
1992 Front Row Draft Picks #90 Bob Bennett - $0.15
1992 Front Row Draft Picks Gold #90 Bob Bennett - $0.75
1992 Front Row Draft Picks Silver #90 Bob Bennett - $0.75
1992 Southern Oregon A's Classic/Best #2 Bob Bennett - n/a
1992 Southern Oregon A's Fleer/ProCards #3405 Bob Bennett - n/a
1994 Modesto A's Fleer/ProCards #3057 Bob Bennett - n/a
1994 West Michigan Whitecaps Classic #1 Bob Bennett - n/a
1994 West Michigan Whitecaps Fleer/ProCards #2288 Bob Bennett - n/a
1995 Huntsville Stars Team Issue #6 Bob Bennett - n/a
1996 Huntsville Stars Team Issue #2 Bob Bennett - n/a
1997 Huntsville Stars Team Issue #2 Bob Bennett - n/a
A few of these should be fairly easy to grab (Front Row) - I'm trying to find a place that sells minor league cards and will let you know what I find.