Red Sox: A look back at knuckleball pitchers in team history
Tim Wakefield, former Boston Red Sox pitcher dies at age 57
Steven Wright moving up on short list of Red Sox knuckleballers
Best knuckleball pitchers in baseball history
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Tim Wakefield, who revived his career and Red Sox trophy case with knuckleball, has died at 57
Knuckleball: The History of the Unhittable Pitch: 9781613217665: Freedman, Lew: Books
Tim Wakefield's Boston Red Sox Teammates Mourn Pitcher After His Death
Tim Wakefield, knuckleballer who made his pitches dance, dies at 57 - The Washington Post
All-Star pitcher breaks out knuckleball on day of Wakefield's death
Former Red Sox knuckleballer Tim Wakefield dies at 57 - ESPN