Scientists throw a curve at knuckleball explanation
Cancer claims Melbourne native and Red Sox star Wakefield at 57
The knuckleball is quickly going extinct in MLB – The Denver Post
Tim Wakefield dies due to brain cancer
Tim Wakefield dies due to brain cancer
Tim Wakefield's Act Never Gets Old for Red Sox - The New York Times
Joel Sherman: Slow, steady Wakefield is carving out his place in Red Sox history - Sports Illustrated
Tim Wakefield, former Red Sox knuckleballer, dead at 57 from brain cancer
Retired Red Sox pitcher Tim Wakefield meets woman who also mastered ' knuckleball