2008 MLB Winning Percentage by Team

The Los Angeles Angels of Anaheim led all of MLB in winning percentage in 2008, with .617, .014 ahead of the Chicago Cubs. The average across 30 MLB teams is .500.

Led all of MLB in 2008 Los Angeles Angels of Anaheim 162 games

.617 Winning Percentage .014 clear of Chicago Cubs

#	Team	League	G	W-L%
1	Los Angeles Angels of Anaheim	AL	162	.617
2	Chicago Cubs	NL	161	.603
3	Tampa Bay Rays	AL	162	.599
4	Boston Red Sox	AL	162	.586
5	Philadelphia Phillies	NL	162	.568
6	Milwaukee Brewers	NL	162	.556
7	New York Mets	NL	162	.549
7	New York Yankees	AL	162	.549
9	Chicago White Sox	AL	163	.546
10	Minnesota Twins	AL	163	.540
11	Houston Astros	NL	161	.534
12	St. Louis Cardinals	NL	162	.531
12	Toronto Blue Jays	AL	162	.531
14	Florida Marlins	NL	161	.522
15	Los Angeles Dodgers	NL	162	.519
16	Arizona Diamondbacks	NL	162	.506
17	Cleveland Indians	AL	162	.500
	MLB average			.500
18	Texas Rangers	AL	162	.488
19	Oakland Athletics	AL	161	.466
20	Kansas City Royals	AL	162	.463
21	Cincinnati Reds	NL	162	.457
21	Colorado Rockies	NL	162	.457
21	Detroit Tigers	AL	162	.457
24	Atlanta Braves	NL	162	.444
24	San Francisco Giants	NL	162	.444
26	Baltimore Orioles	AL	161	.422
27	Pittsburgh Pirates	NL	162	.414
28	San Diego Padres	NL	162	.389
29	Seattle Mariners	AL	162	.377
30	Washington Nationals	NL	161	.367

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.