Bradley: Bobby Valentine's history with statistics and baseball
Cardboard Gods: The Book
Bobby Valentine – Society for American Baseball Research
Bobby Valentine's Playing Career (1969 - 1979)
MORE
Trey Hillman - Wikipedia
Bobby Valentine of Red Sox Ending a Lost Season - The New York Times
Bobby Valentine Rookie Cards: Value, Tracking & Hot Deals
Bobby Valentine Baseball Stats by Baseball Almanac
Jason Isringhausen, Brad Lidge eye HOF bid
Mets' Jerry Koosman is finally getting the respect he is due