2005 MLB Winning Percentage by Team

Every team's total, added up from its players' lines. Wins per decision

The St. Louis Cardinals led all of MLB in winning percentage in 2005, with .617, .006 ahead of the Chicago White Sox. The average across 30 MLB teams is .500.

Season

League

ERA W SO SV WHIP IP K/9 BB/9 K/BB CG L BB W-L%

Led all of MLB in 2005 St. Louis Cardinals 162 games

.617 Winning Percentage .006 clear of Chicago White Sox

#	Team	League	G	W-L%
1	St. Louis Cardinals	NL	162	.617
2	Chicago White Sox	AL	162	.611
3	Boston Red Sox	AL	162	.586
3	Los Angeles Angels of Anaheim	AL	162	.586
3	New York Yankees	AL	162	.586
6	Cleveland Indians	AL	162	.574
7	Atlanta Braves	NL	162	.556
8	Houston Astros	NL	163	.549
9	Oakland Athletics	AL	162	.543
9	Philadelphia Phillies	NL	162	.543
11	Florida Marlins	NL	162	.512
11	Minnesota Twins	AL	162	.512
11	New York Mets	NL	162	.512
14	San Diego Padres	NL	162	.506
	MLB average			.500
15	Milwaukee Brewers	NL	162	.500
15	Washington Nationals	NL	162	.500
17	Toronto Blue Jays	AL	162	.494
18	Chicago Cubs	NL	162	.488
18	Texas Rangers	AL	162	.488
20	Arizona Diamondbacks	NL	162	.475
21	San Francisco Giants	NL	162	.463
22	Baltimore Orioles	AL	162	.457
23	Cincinnati Reds	NL	163	.451
24	Detroit Tigers	AL	162	.438
24	Los Angeles Dodgers	NL	162	.438
26	Seattle Mariners	AL	162	.426
27	Colorado Rockies	NL	162	.414
27	Pittsburgh Pirates	NL	162	.414
27	Tampa Bay Devil Rays	AL	162	.414
30	Kansas City Royals	AL	162	.346

A team's total is its players' numbers for the club added up, so a player traded mid-season counts for each team only what he did there. Rates such as ERA and batting average are worked out from the team's summed totals, not averaged across players.