1998 MLB Winning Percentage Leaders
Wins per decision
John Smoltz led all of MLB in winning percentage in 1998 with .850, 32 points ahead of David Wells (.818). It stands 83rd among all single seasons in MLB history.
Showing pitchers with at least 162.0 innings — the standard 1.0 inning per team game. Show all players
Led all of MLB in 1998
John Smoltz
Atlanta Braves
.850
Winning Percentage
.032 clear of David Wells
Showing Winning Percentage and the stats that give it context
Full stat line
| # | Player | Team | W-L% | W | L | ERA | IP |
|---|---|---|---|---|---|---|---|
| 1 |
 John Smoltz
|
ATL | .850 | 17 | 3 | 2.90 | 167.2 |
| 2 |
 David Wells
|
NYA | .818 | 18 | 4 | 3.49 | 214.1 |
| 3 |
 Roger Clemens
|
TOR | .769 | 20 | 6 | 2.65 | 234.2 |
| 4 |
 Tom Glavine
|
ATL | .769 | 20 | 6 | 2.47 | 229.1 |
| 5 | Rick Helling | TEX | .741 | 20 | 7 | 4.41 | 216.1 |
| 6 |
 David Cone
|
NYA | .741 | 20 | 7 | 3.55 | 207.2 |
| 7 |
 Al Leiter
|
NYN | .739 | 17 | 6 | 2.47 | 193.0 |
| 8 |
 Pedro Martinez
|
BOS | .731 | 19 | 7 | 2.89 | 233.2 |
| 9 |
 Kevin Brown
|
SDN | .720 | 18 | 7 | 2.38 | 257.0 |
| 10 |
 Shane Reynolds
|
HOU | .704 | 19 | 8 | 3.51 | 233.1 |
| 11 |
 Mark Gardner
|
SFN | .684 | 13 | 6 | 4.33 | 212.0 |
| 12 |
 Kerry Wood
|
CHN | .684 | 13 | 6 | 3.40 | 166.2 |
| 13 |
 Tim Wakefield
|
BOS | .680 | 17 | 8 | 4.58 | 216.0 |
| 14 |
 Kevin Millwood
|
ATL | .680 | 17 | 8 | 4.08 | 174.1 |
| 15 |
 Kevin Tapani
|
CHN | .679 | 19 | 9 | 4.85 | 219.0 |
| 16 |
 Greg Maddux
|
ATL | .667 | 18 | 9 | 2.22 | 251.0 |
| 17 |
 Kenny Rogers
|
OAK | .667 | 16 | 8 | 3.17 | 238.2 |
| 18 |
 Jose Lima
|
HOU | .667 | 16 | 8 | 3.70 | 233.1 |
| 19 |
 Pete Harnisch
|
CIN | .667 | 14 | 7 | 3.14 | 209.0 |
| 20 |
 Mark Portugal
|
PHI | .667 | 10 | 5 | 4.44 | 166.1 |
| 21 |
 Andy Ashby
|
SDN | .654 | 17 | 9 | 3.34 | 226.2 |
| 22 |
 Steve Trachsel
|
CHN | .652 | 15 | 8 | 4.46 | 208.0 |
| 23 |
 Bret Saberhagen
|
BOS | .652 | 15 | 8 | 3.96 | 175.0 |
| 24 |
 Kirk Rueter
|
SFN | .640 | 16 | 9 | 4.36 | 187.2 |
| 25 |
 Randy Johnson
|
SEA +1 | .633 | 19 | 11 | 3.28 | 244.1 |
| 26 |
 Aaron Sele
|
TEX | .633 | 19 | 11 | 4.23 | 212.2 |
| 27 |
 Chris Carpenter
|
TOR | .632 | 12 | 7 | 4.37 | 175.0 |
| 28 |
 Jamie Moyer
|
SEA | .625 | 15 | 9 | 3.53 | 234.1 |
| 29 |
 Chan Ho Park
|
LAN | .625 | 15 | 9 | 3.71 | 220.2 |
| 30 |
 Mike Hampton
|
HOU | .611 | 11 | 7 | 3.36 | 211.2 |
| 31 |
 Bartolo Colon
|
CLE | .609 | 14 | 9 | 3.71 | 204.0 |
| 32 |
 Charles Nagy
|
CLE | .600 | 15 | 10 | 5.22 | 210.1 |
| 33 |
 Dave Burba
|
CLE | .600 | 15 | 10 | 4.11 | 203.2 |
| 34 |
 Andy Pettitte
|
NYA | .593 | 16 | 11 | 4.24 | 216.1 |
| 35 |
 Denny Neagle
|
ATL | .593 | 16 | 11 | 3.55 | 210.1 |
| 36 |
 Rick Reed
|
NYN | .593 | 16 | 11 | 3.48 | 212.1 |
| 37 |
 Hideki Irabu
|
NYA | .591 | 13 | 9 | 4.06 | 173.0 |
| 38 | Sean Bergman | HOU | .571 | 12 | 9 | 3.72 | 172.0 |
| 39 |
 Mike Mussina
|
BAL | .565 | 13 | 10 | 3.49 | 206.1 |
| 40 |
 Sterling Hitchcock
|
SDN | .563 | 9 | 7 | 3.93 | 176.1 |
| 41 | Dustin Hermanson | MON | .560 | 14 | 11 | 3.13 | 187.0 |
| 42 |
 Scott Erickson
|
BAL | .552 | 16 | 13 | 4.01 | 251.1 |
| 43 |
 Chuck Finley
|
ANA | .550 | 11 | 9 | 3.39 | 223.1 |
| 44 |
 Jimmy Haynes
|
OAK | .550 | 11 | 9 | 5.09 | 194.1 |
| 45 |
 Jaret Wright
|
CLE | .545 | 12 | 10 | 4.72 | 192.2 |
| 46 | Rolando Arrojo | TBA | .538 | 14 | 12 | 3.56 | 202.0 |
| 47 | Dave Mlicki | LAN +1 | .533 | 8 | 7 | 4.57 | 181.1 |
| 48 | Woody Williams | TOR | .526 | 10 | 9 | 4.46 | 209.2 |
| 49 |
 Orel Hershiser
|
SFN | .524 | 11 | 10 | 4.41 | 202.0 |
| 50 |
 Ismael Valdez
|
LAN | .524 | 11 | 10 | 3.98 | 174.0 |
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