Zimniuch, Fran (2010). Fireman: The Evolution of the Closer in Baseball. Chicago: Triumph Books. pp. 154, 168. ISBN 978-1-60078-312-8. 978-1-60078-312-8
Felber, Bill (2006). The Book on the Book: An Inquiry Into Which Strategies in the Modern Game Actually Work. St. Martin's Griffin. p. 102. ISBN 978-0-312-33265-5. Retrieved January 5, 2011. 978-0-312-33265-5
Zimniuch 2010, pp.168–9 - Zimniuch, Fran (2010). Fireman: The Evolution of the Closer in Baseball. Chicago: Triumph Books. pp. 154, 168. ISBN 978-1-60078-312-8. https://archive.org/details/firemanevolution0000zimn/page/154
Zimniuch 2010, p.169 - Zimniuch, Fran (2010). Fireman: The Evolution of the Closer in Baseball. Chicago: Triumph Books. pp. 154, 168. ISBN 978-1-60078-312-8. https://archive.org/details/firemanevolution0000zimn/page/154
Zimniuch 2010, p.163 - Zimniuch, Fran (2010). Fireman: The Evolution of the Closer in Baseball. Chicago: Triumph Books. pp. 154, 168. ISBN 978-1-60078-312-8. https://archive.org/details/firemanevolution0000zimn/page/154
Zimniuch 2010, pp.165,168,171–3 - Zimniuch, Fran (2010). Fireman: The Evolution of the Closer in Baseball. Chicago: Triumph Books. pp. 154, 168. ISBN 978-1-60078-312-8. https://archive.org/details/firemanevolution0000zimn/page/154
Zimniuch 2010, p.169 - Zimniuch, Fran (2010). Fireman: The Evolution of the Closer in Baseball. Chicago: Triumph Books. pp. 154, 168. ISBN 978-1-60078-312-8. https://archive.org/details/firemanevolution0000zimn/page/154
Zimniuch 2010, pp.169–70 - Zimniuch, Fran (2010). Fireman: The Evolution of the Closer in Baseball. Chicago: Triumph Books. pp. 154, 168. ISBN 978-1-60078-312-8. https://archive.org/details/firemanevolution0000zimn/page/154
Rancel, Tommy (June 24, 2013). "Set-up guys who would be worthy All-Stars". ESPN.com. Archived from the original on October 19, 2014. https://www.espn.com/blog/sweetspot/post/_/id/37360/set-up-guys-who-would-be-worthy-all-stars
Kay, Joe (July 13, 2015). "All Star Game could be decided by setup men". The Star. Associated Press. Retrieved October 12, 2018. https://www.thestar.com/sports/baseball/2015/07/13/all-star-game-could-be-decided-by-setup-men.html
Jennings, Chad (July 13, 2015). "Yankees' Betances leading wave of standout setup men". The Journal News. Retrieved October 12, 2018. https://www.lohud.com/story/sports/mlb/yankees/chad-jennings/2015/07/13/betances-standout-setup-relievers/30111923/
Kilgore, Adam (July 14, 2014). "2014 MLB All-Star Game: For Nationals reliever Tyler Clippard, a perfect setup". The Washington Post. Retrieved October 13, 2018. https://www.washingtonpost.com/sports/nationals/2014-mlb-all-star-game-for-nationals-reliever-tyler-clippard-a-perfect-set-up/2014/07/14/93f47676-0b5d-11e4-b8e5-d0de80767fc2_story.html
Crasnick, Jerry (June 23, 2018). "Eight under-the-radar relievers who deserve All-Star consideration". ESPN.com. Retrieved October 13, 2018. https://www.espn.com/mlb/story/_/id/23871684/eight-radar-relievers-deserves-all-star-consideration
Curry, Jack (October 11, 2002). "Rodriguez Is a Fantasy Player Like No Other". The New York Times. Archived from the original on October 21, 2014. https://www.nytimes.com/2002/10/11/sports/baseball-rodriguez-is-a-fantasy-player-like-no-other.html
Johnson, Chuck (February 20, 2005). "Rodriguez set to close for Angels". USA Today. Archived from the original on October 16, 2014. http://usatoday30.usatoday.com/sports/baseball/al/angels/2005-02-20-angels-spring_x.htm
Zimniuch 2010, p.221 - Zimniuch, Fran (2010). Fireman: The Evolution of the Closer in Baseball. Chicago: Triumph Books. pp. 154, 168. ISBN 978-1-60078-312-8. https://archive.org/details/firemanevolution0000zimn/page/154
"1996 Awards Voting". Baseball-Reference.com. Sports Reference LLC. Retrieved January 9, 2012. https://www.baseball-reference.com/awards/awards_1996.shtml#ALcya
Zimniuch 2010, pp.219–221 - Zimniuch, Fran (2010). Fireman: The Evolution of the Closer in Baseball. Chicago: Triumph Books. pp. 154, 168. ISBN 978-1-60078-312-8. https://archive.org/details/firemanevolution0000zimn/page/154
Zimniuch 2010, p.221 - Zimniuch, Fran (2010). Fireman: The Evolution of the Closer in Baseball. Chicago: Triumph Books. pp. 154, 168. ISBN 978-1-60078-312-8. https://archive.org/details/firemanevolution0000zimn/page/154