1983 Winning Percentage Leaders Top 25 in the National League
Name	Winning Percentage	Team	Rank
John Denny	.760 (.76000)	Philadelphia Phillies	1
John Candelaria	.652 (.65217)	Pittsburgh Pirates	2
Larry McWilliams	.652 (.65217)	Pittsburgh Pirates
Pascual Perez	.652 (.65217)	Atlanta Braves
Lee Tunnell	.647 (.64706)	Pittsburgh Pirates	5
Craig McMurtry	.625 (.62500)	Atlanta Braves	6
Nolan Ryan	.609 (.60870)	Houston Astros	7
Fernando Valenzuela	.600 (.60000)	Los Angeles Dodgers	8
Charlie Lea	.593 (.59259)	Montreal Expos	9
Bill Gullickson	.586 (.58621)	Montreal Expos	10
Steve Rogers	.586 (.58621)	Montreal Expos
Dave Dravecky	.583 (.58333)	San Diego Padres	12
Dave LaPoint	.571 (.57143)	St. Louis Cardinals	13
Alejandro Pena	.571 (.57143)	Los Angeles Dodgers
Mario Soto	.567 (.56667)	Cincinnati Reds	15
Eric Show	.556 (.55556)	San Diego Padres	16
Bob Welch	.556 (.55556)	Los Angeles Dodgers
Burt Hooton	.529 (.52941)	Los Angeles Dodgers	18
Atlee Hammaker	.526 (.52632)	San Francisco Giants	19
Phil Niekro	.524 (.52381)	Atlanta Braves	20
Jerry Reuss	.522 (.52174)	Los Angeles Dodgers	21
John Stuper	.522 (.52174)	St. Louis Cardinals
Dick Ruthven	.520 (.52000)	Philadelphia Phillies	23
		Chicago Cubs
Chuck Rainey	.519 (.51852)	Chicago Cubs	24
Joe Niekro	.517 (.51724)	Houston Astros	25
Name	Winning Percentage	Team	Rank

	Did you know that more than forty players have worn the number twenty-five for the Boston Red Sox — including Jack Clark, Denny Galehouse, Dizzy Trout and Tony Conigliaro. Jose Cruz of the Houston Astros had his number twenty-five retired on October 3, 1992, and became the first Major League player with that particular retired number. The first player from the Angels franchise (they were the California Angels at the time) to wear the number twenty-five was Bob Perry.