Lenny Dykstra says he used private investigators to dig up dirt on umpires - Newsday
MLB player hired P.I.'s to help him blackmail umpires - The Something Awful Forums
New York Mets' Lenny Dykstra 'spent $500k to spy on baseball umpires
June 7, 2011 New York Post
Baseball Musings: Players Archives
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Baseball Musings: Players Archives
June 7, 2011 New York Post
Baseball great Lenny Dykstra pleads guilty to federal bankruptcy fraud
Lenny Dykstra Claims to Have Used Private Investigators to Dig Up Dirt On Umpires to Get More Walks
Lenny Dykstra hired private investigators to track umpires - Sports Illustrated
Lenny Dykstra says he hired a private investigator to blackmail MLB umpires