注意:各年度之間的統計方法可能不盡相同。 Jackson 1978,第26–27頁. Donovan, Mike. Glory, Glory Lane. Pitch Publishing. 2017: 31. ISBN 978-1-78531-326-4. Burnby, J. Elizabethan times
(PDF)存档于2010-06-13). Sullivan, Jeff. Daniel Nava Just Hit A Grand Slam On The First Pitch Of His Big League Career. Lookout Landing. [2010-06-13]. (原始内容存档于2020-11-22)
Stephanie Livaudais. 'I never played such a long match': Marathon Muchova pitch perfect in Pliskova upset at Wimbledon. WTA Tennis. July 8, 2019 [15 February