Basestealer

3 clues
Low-down thief
Despicable thief?
Lou Brock or Tim Raines e.g.
Similar answers:
Abases
Airbases
Anabases
Bases
Basesalary
Baseseven
Basesixteen
Basesixty
Basesloaded
Baseson
Basest
Basestbasset
Basestealer
Basesthound
Baseswitchesdrills
Baseswitchpinch
Coversallbases
Coveryourbases
Databases
Debases