Valpo embraces 'Mamba mentality,' McMillan shines in win over Evansville
What is the record for most walk-off hits in Major League Baseball (MLB) history? - Quora
Billy Butler - Simple English Wikipedia, the free encyclopedia
Royals “Hall of Not Forgotten”: Billy Butler, 1B/DH – The Royals Reporter
The day Billy Butler became a Kansas City Royal - Royals Review
Billy Butler gets three years from Oakland A's in confusing signing - Sports Illustrated
Roberto Clemente - Wikiquote
Update: Royals DH Billy Butler signs with Oakland
Baseball Universe 2012 by Universo Béisbol - Issuu
Designated hitter Billy Butler finally gets the call — and strikes out
Forgotten Players from the 1969 Royals: Bill Butler and Wally Bunker - Royals Review