Here's the all-time list as of the start of the 2008 season:
CAREER
WINS >= 100
WINNING PERCENTAGE PCT W
1 Spud Chandler .717 109
2 Pedro Martinez .692 209
3 Dave Foutz .690 147
4 Whitey Ford .690 236
5 Bob Caruthers .688 218
6 Don Gullett .686 109
7 Lefty Grove .680 300
8 Roy Oswalt .675 112
9 Joe Wood .671 116
10 Roy Halladay .669 111
11 Vic Raschi .667 132
12 Larry Corcoran .665 177
13 Christy Mathewson .665 373
14 Sam Leever .661 195
15 Tim Hudson .659 135
16 Roger Clemens .658 354
17 Sal Maglie .657 119
18 Sandy Koufax .655 165
T19 Johnny Allen .654 142
T19 Randy Johnson .654 284
21 Ron Guidry .651 170
22 John Clarkson .650 328
23 Lefty Gomez .649 189
24 Three Finger Brown .649 239
25 Dizzy Dean .644 150
26 Grover C Alexander .642 373
27 Andy Pettitte .640 201
28 Jim Palmer .638 268
29 Mike Mussina .635 250
30 Kid Nichols .634 361
31 Deacon Phillippe .634 189
32 Joe McGinnity .634 246
33 Dwight Gooden .634 194
34 Ed Reulbach .632 182
35 Mark Mulder .632 103
36 Juan Marichal .631 243
37 Mort Cooper .631 128
38 Allie Reynolds .630 182
39 Jesse Tannehill .629 197
40 Ray Kremer .627 143
41 Eddie Plank .627 326
42 Tommy Bond .627 193
43 Chief Bender .625 212
44 Don Newcombe .623 149
45 Nig Cuppy .623 162
46 Firpo Marberry .623 147
47 Addie Joss .623 160
48 Fred Goldsmith .622 112
49 Doc Crandall .622 102
T50 Carl Mays .622 207
T50 Carl Hubbell .622 253
52 Bob Feller .621 266
53 Mel Parnell .621 123
54 John Tudor .619 117
55 Clark Griffith .619 237
56 Greg Maddux .619 347
57 Bob Lemon .618 207
58 Cy Young .618 511
59 Monte Pearson .617 100
60 Monte Ward .617 164
61 Urban Shocker .615 187
62 Jeff Tesreau .615 115
63 Jim Maloney .615 134
64 Jimmy Key .614 186
65 C.C. Sabathia .613 100
66 Lon Warneke .613 192
67 Old Hoss Radbourn .613 309
68 Gary Nolan .611 110
69 Schoolboy Rowe .610 158
70 Carl Erskine .610 122
71 Ed Walsh .607 195
72 Dave McNally .607 184
73 Jack Stivetts .607 204
74 Hooks Wiltse .607 139
75 David Cone .606 194
76 Freddy Garcia .606 117
77 Bartolo Colon .606 146
78 Ramon Martinez .605 135
79 Art Nehf .605 184
80 Charlie Buffinton .605 233
81 Tom Glavine .604 303
82 David Wells .604 239
83 Tom Seaver .603 311
84 Tim Keefe .602 341
85 Stan Coveleski .602 215
86 Preacher Roe .602 127
87 Wes Ferrell .601 193
88 J.R. Richard .601 107
T89 Orval Overall .600 108
T89 Jack Chesbro .600 198
91 Walter Johnson .599 417
92 Barry Zito .598 113
93 Freddie Fitzsimmons .598 217
94 Ed Lopat .597 166
95 Warren Spahn .597 363
96 Herb Pennock .597 240
97 Curt Schilling .597 216
98 Rip Sewell .596 143
99 Kenny Rogers .595 210
100 Kevin Brown .594 211
101 Mickey Welch .594 309
102 Mike Garcia .594 142
T103 Jack McDowell .593 127
T103 Jim Bagby .593 127
105 Pat Malone .593 134
106 General Crowder .592 167
107 John Candelaria .592 177
108 Chris Carpenter .592 100
109 Harry Brecheen .591 133
110 Bob Welch .591 211
111 Bob Gibson .591 251
112 Dutch Ruether .591 137
113 Denny McLain .590 131
114 Eddie Rommel .590 171
115 Ellis Kinder .590 102
116 Jack Coombs .590 158
117 Tiny Bonham .589 103
118 John Smoltz .588 207
119 Bret Saberhagen .588 167
120 Mark Buehrle .588 107
121 Mike Cuellar .587 185
122 Bill Bernhard .586 116
123 Kirk Rueter .586 130
124 Jeff Pfeffer .585 158
125 Ed Stein .585 110
126 Lew Burdette .585 203
127 Amos Rusie .585 245
128 Dazzy Vance .585 197
129 Tommy Bridges .584 194
130 Ed Morris .584 171
131 George Pipgras .583 102
132 Eddie Cicotte .583 208
133 Babe Adams .581 194
134 Noodles Hahn .580 130
135 Hal Newhouser .580 207
136 Will White .580 229
137 Matt Morris .579 121
138 Larry Jansen .578 122
139 Tom Browning .577 123
140 Mike Hampton .577 138
T141 George Earnshaw .577 127
T141 Jack Morris .577 254
143 Sadie McMahon .577 173
144 Jason Schmidt .577 128
145 Orel Hershiser .576 204
146 Dennis Leonard .576 144
147 Jack Sanford .576 137
148 Steve Blass .575 103
149 Rube Waddell .574 193
150 Catfish Hunter .574 224
151 Steve Carlton .574 329
152 Denny Neagle .574 124
153 Fred Toney .573 137
154 Russ Ortiz .573 110
155 Wild Bill Donovan .572 186
156 Luis Tiant .571 229
157 Joe Dobson .571 137
158 Jesse Haines .571 210
159 Silver King .570 203
160 Bill Lee .569 119
161 Dave Burba .569 115
162 Aaron Sele .569 148
T163 Hank Borowy .568 108
T163 Rip Collins .568 108
T163 Max Lanier .568 108
166 Kevin Millwood .568 133
167 Tex Carleton .568 100
168 Andy Messersmith .568 130
169 Virgil Trucks .567 177
170 Elton Chamberlin .567 157
171 Ed Killian .567 102
172 Bruce Kison .567 115
173 Bob Shawkey .566 196
174 Hal Schumacher .566 158
175 Dave Stewart .566 168
176 Waite Hoyt .566 237
177 Hippo Vaughn .565 178
178 Larry Gura .565 126
179 Vida Blue .565 209
180 Bob Walk .565 105
181 Guy Bush .564 176
182 Jamie Moyer .564 230
183 Jumbo McGinnis .564 102
184 Tony Mullane .563 284
185 Johnny Morrison .563 103
186 Elden Auker .563 130
187 Dave Stieb .562 176
188 Chan Ho Park .562 113
T189 Bruce Hurst .562 145
T189 Jack Billingham .562 145
191 Lefty Leifield .561 124
192 Scott McGregor .561 138
193 Johnny Podres .561 148
194 Jose Rijo .560 116
195 Milt Pappas .560 209
196 Burleigh Grimes .560 270
197 Dennis Martinez .559 245
198 Don Sutton .559 324
199 Harry Gumbert .559 143
200 Bob Veale .558 120
201 Don Mossi .558 101
202 Don Drysdale .557 209
203 Bob Buhl .557 166
204 Ferguson Jenkins .557 284
205 Charlie Root .557 201
206 Ross Grimsley .556 124
207 Frank Killen .556 164
208 Billy Pierce .555 211
209 Juan Pizarro .555 131
210 Tommy John .555 288
211 Howie Camnitz .554 133
212 Dutch Leonard .554 139
213 Jim McCormick .553 265
214 Bucky Walters .553 198
215 Jim Perry .553 215
216 Bob Forsch .553 168
217 Kevin Appier .552 169
218 Dick Donovan .552 122
219 Frank Smith .552 138
220 Claude Hendrix .552 144
221 Rick Sutcliffe .552 171
222 Alex Fernandez .552 107
223 Early Wynn .551 300
224 Charles Nagy .551 129
225 Sonny Siebert .551 140
226 Al Leiter .551 162
227 Jim Hearn .551 109
228 John Smiley .550 126
T229 Bobby Mathews .550 166
T229 John Burkett .550 166
231 Hooks Dauss .550 222
232 Mudcat Grant .549 145
233 Jim Bunning .549 224
234 Slim Sallee .549 174
235 Vic Willis .548 249
236 Wilbur Cooper .548 216
237 Red Ruffing .548 273
238 Rick Rhoden .547 151
239 Ray Culp .547 122
240 Gerry Staley .547 134
241 Curt Davis .547 158
242 Ad Gumbert .547 123
T243 Moose Haas .546 100
T243 George Uhle .546 200
245 Gary Peters .546 124
246 Harvey Haddix .546 136
247 Bobby Shantz .546 119
248 Dan Petry .546 125
249 Mel Harder .545 223
250 Doc White .545 187
251 Johnny Sain .545 139
252 Jim Kaat .544 283
253 Red Faber .544 254
254 Bill Gullickson .544 162
255 Bob Turley .543 101
T256 Sid Fernandez .543 114
T256 Shane Reynolds .543 114
258 Bob Stanley .542 115
259 Guy Hecker .542 173
260 Gaylord Perry .542 314
261 Lindy McDaniel .542 141
262 Doc Medich .541 124
263 Mel Stottlemyre .541 164
264 Earl Whitehill .541 218
265 Storm Davis .541 113
266 Charlie Leibrandt .541 140
267 Brickyard Kennedy .540 187
268 Bob Ojeda .540 115
269 Frank Viola .540 176
270 Ron Darling .540 136
271 Hoyt Wilhelm .540 143
272 Pat Hentgen .539 131
273 Pud Galvin .539 360
274 Kirby Higbe .539 118
275 Mike Flanagan .539 167
276 Robin Roberts .539 286
277 Derek Lowe .538 112
278 Tony Cloninger .538 113
279 Red Lucas .538 157
280 Paul Splittorff .537 166
281 Phil Niekro .537 318
T282 Larry Cheney .537 116
T282 Ken Holtzman .537 174
284 Dock Ellis .537 138
285 Stan Williams .537 109
286 Goose Gossage .537 124
287 George Mullin .537 227
288 Frank Dwyer .537 176
289 Doug Drabek .536 155
290 Mike Torrez .536 185
291 Chuck Finley .536 200
292 Mike Boddicker .536 134
293 Joe Nuxhall .536 135
T294 Dennis Eckersley .535 197
T294 Larry French .535 197
296 Jerry Reuss .535 220
297 Nelson Briles .535 129
298 Tim Wakefield .535 168
299 Steve Stone .535 107
300 Jouett Meekin .535 153
301 Al Downing .535 123
302 Bryn Smith .535 108
303 Mike Scott .534 124
304 Bert Blyleven .534 287
305 Mark Portugal .534 109
306 Jim Lonborg .534 157
307 Johnny Antonelli .534 126
308 Watty Clark .534 111
309 Kevin Tapani .534 143
310 Harry Staley .533 136
311 Steve Barber .533 121
312 Todd Stottlemyre .533 138
313 Scott Sanderson .533 163
T314 John Denny .532 123
T314 Steve Gromek .532 123
T316 Woody Williams .532 132
T316 Gus Weyhing .532 264
318 Mickey Lolich .532 217
T319 Pete Donohue .532 134
T319 Rube Marquard .532 201
321 Eric Show .532 101
322 Jack Quinn .531 247
323 Mark Langston .531 179
324 Fernando Valenzuela .531 173
T325 Ted Lyons .531 260
T325 Don Wilson .531 104
327 Bill Sherdel .531 165
328 Larry Dierker .531 139
329 Howie Pollet .530 131
330 Bill Hutchison .530 184
331 Hideo Nomo .530 123
332 Kelvim Escobar .529 101
333 Bob Purkey .529 129
334 Rick Reuschel .528 214
335 Dick Rudolph .528 121
336 Darryl Kile .528 133
337 Esteban Loaiza .527 125
338 Whit Wyatt .527 106
339 Andy Benes .527 155
340 Doyle Alexander .527 194
341 Dean Chance .527 128
342 George Bradley .527 139
343 Burt Hooton .526 151
344 Earl Wilson .526 121
345 George Suggs .526 101
346 Nolan Ryan .526 324
347 Wilson Alvarez .526 102
348 Ray Caldwell .526 133
349 Billy Rhines .525 114
350 Frank Lary .525 128
T351 Vern Law .524 162
T351 Bob Shaw .524 108
353 Rube Walberg .524 155
354 Tom Gordon .524 133
355 Jim Bibby .524 111
356 Red Ames .523 183
357 Lefty Tyler .523 127
358 Roy Face .523 104
359 Luther Taylor .523 116
360 Jack Taylor .522 152
361 Fred Frankhouse .522 106
362 Mario Soto .521 100
363 Frank Kitson .520 127
364 Wild Bill Hallahan .520 102
365 Al Orth .520 205
366 Joe Niekro .520 221
367 Flint Rhem .520 105
368 Ralph Terry .519 107
369 Claude Passeau .519 162
370 Bob Tewksbury .519 110
371 Dolf Luque .519 193
372 Pete Harnisch .519 111
T373 Bill Lee .518 169
T373 Bill Doak .518 169
375 Joaquin Andujar .518 127
376 Dave Giusti .518 100
377 Ken Hill .518 117
378 Joe Bush .517 196
379 Jon Lieber .516 129
380 Brad Radke .516 148
T381 Ray Fisher .515 100
T381 Dick Tidrow .515 100
383 Jerry Koosman .515 222
384 Rube Benton .515 154
385 Matt Kilroy .515 141
386 Larry Jackson .515 194
387 Mike Krukow .515 124
388 Eppa Rixey .515 266
389 Cy Falkenberg .514 130
390 Dizzy Trout .514 170
391 Sad Sam Jones .513 229
392 Dutch Leonard .513 191
393 Curt Simmons .513 193
394 Mike Caldwell .513 137
395 Kid Gleason .513 138
396 Milt Wilcox .513 119
397 Sam McDowell .513 141
398 Earl Moore .513 162
399 Paul Derringer .513 223
400 Joe Coleman .513 142
401 Wilbur Wood .513 164
402 Bob Ewing .512 124
403 Billy O'Dell .512 105
404 Jack Lynch .512 110
T405 Livan Hernandez .511 134
T405 Mike McCormick .511 134
407 Marty Pattin .511 114
408 Lee Meadows .511 188
409 Jeff Suppan .511 118
410 Scott Erickson .511 142
411 Van Lingle Mungo .511 120
412 Charlie Getzien .511 145
413 Bud Black .511 121
T414 Tim Belcher .510 146
T414 Ron Reed .510 146
416 Pedro Astacio .510 129
417 Steve Rogers .510 158
418 Rick Wise .509 188
419 Dave Goltz .509 113
420 Gary Bell .508 121
421 Lefty Stewart .508 101
422 Ray Sadecki .508 135
423 Ed Willett .507 102
424 Don Robinson .507 109
425 Jack Taylor .506 120
426 Ed Whitson .506 126
427 Camilo Pascual .506 174
428 George Mogridge .506 133
429 Chris Short .506 135
430 Stu Miller .505 105
431 Geoff Zahn .505 111
432 Bill Monbouquette .504 114
T433 Togie Pittinger .504 115
T433 Javier Vazquez .504 115
435 Frank Tanana .504 240
436 Fritz Peterson .504 133
437 Jesse Barnes .503 152
438 Willis Hudlin .503 158
439 Adonis Terry .503 198
440 Duke Esper .502 101
441 Sam Jones .502 102
442 Fred Norman .502 104
443 Bill Hands .502 111
444 Ken Forsch .502 114
445 Mike Witt .502 117
446 Greg Swindell .502 123
447 Claude Osteen .501 196
T448 Nap Rucker .500 134
T448 Howard Ehmke .500 166
T448 Charlie Hough .500 216
Al Spalding.
Spalding pitched for the Boston Red Stockings and Chicago White Stockings between 1871-1877 and compiled a career record of 252-65 for a .795 winning percentage.
Second best is Spud Chandler of the 1937-1947 New York Yankees who compiled a career record of 109-43 for a .717 winning percentage.
im not positive but the best pitcher ever was Lew Gerig
Hi Everyone, That's an easy one; the manager with the highest winning percentage of all time with at least 1000 games managed is Sparky Anderson with a .596 winning percentage. I REALLY love baseball and read everything I can get my hands on. Art Tafero
Derek Jeter
As of the start of the 2010 season, the Cowboys have leapfrogged the Miami Dolphins. The Dolphins have a win percentage of .579 and the Cowboys have a .580 percentage.
I am adding to the answer because the information supplied by the responder has some noteworthy information on the NY Yankees. That answer can be seen in the last two paragraphs. The best New York Yankee lifetime winning percentage by a starting picther is held by Lefty Gomez. He pitched in the 1930's and had a winning percentage of .839. Whitey Ford had a career .690 win percentage for a career, one of the best for any team. Ron Guidry's .893 win percentage in 1978 is also one of the best for any starting pitcher on any team.
Tom Brady and Ben Roethlisberger are the two quarterbacks that have the best winning percentage in their first 4 years in the NFL. Ben Roethlisberger has the fourth highest career winning percentage as a quarterback.
New york yankees
Tim lincecum
Highest Winning Percentage, Regular Season Miami Dolphins .580 Highest Winning Percentage, Overall Dallas Cowboys .577
No, Ohio State's winning percentage is 71.6%. It is the fifth highest of All-time. The University of Michigan holds the highest winning percentage of 74%
the colts have the highest winning precentage
Jon Lester
raiders
phillip fulmer
Through Super Bowl XLII, that would be the Carolina Panthers at 6-3 for a winning percentage of .667 and the Baltimore Ravens at 5-3 for a winning percentage of .625. For teams that have been around a little longer than the Panthers and Ravens, it would be the New England Patriots at 21-13 for a winning percentage of .618 and the Green Bay Packers at 24-15 for a winning percentage of .615.
Hi Everyone, That's an easy one; the manager with the highest winning percentage of all time with at least 1000 games managed is Sparky Anderson with a .596 winning percentage. I REALLY love baseball and read everything I can get my hands on. Art Tafero
Dr. Tom Osborne
vince young i think