Answer: RAIDER
RAIDER is a crossword puzzle answer that we have spotted 55 times.
    - Oakland gridder
 
    - Surreptitious stock buyer
 
    - Winning Super Bowl XVIII player
 
    - Oakland athlete
 
    - Corporate shark
 
    - George Blanda, once
 
    - Commando
 
    - Wall Street baddie
 
    - Pirate
 
    - Person at the fridge, maybe
 
    - Chief rival
 
    - Back in California, perhaps
 
    - Stabler, once
 
    - 9-Down footballer
 
    - Super Bowl XV ring awardee
 
    - Player from Oakland
 
    - Commando, for example
 
    - Ex-Los Angeles athlete
 
    - McAfee Coliseum player
 
    - Howie Long, for 13 seasons
 
    - Viking, e.g.
 
    - Bandit
 
    - Oakland pro
 
    - Notorious investor
 
    - Speakeasy scourge
 
    - Looter
 
    - Attacker
 
    - Pirate ship
 
    - Foray maker
 
    - Ruthless corporate type
 
    - Center of Oakland, for one
 
    - Marauder
 
    - 49er foe
 
    - A Viking perhaps
 
    - Takeover engineer
 
    - Oakland footballer
 
    - Shark in business
 
    - Oakland N.F.L.'er
 
    - Shark in corporate waters
 
    - Greenmail beneficiary
 
    - Ruthless Wall Street sort
 
    - Howie Long, in the 1980s
 
    - Football pro out west
 
    - Prohibition enforcer
 
    - Oakland Coliseum player
 
    - Certain West Coast NFL pro
 
    - Las Vegas football player
 
    - Wall street villain
 
    - Oakland football player
 
    - Viking,maybe
 
    - Silver State NFLer
 
    - Las Vegas player
 
    - Las Vegas athlete
 
    - Plunderer
 
    - Corsair