2017 MLB Winning Percentage by Team

The Los Angeles Dodgers led all of MLB in winning percentage in 2017, with .642, .012 ahead of the Cleveland Indians. The average across 30 MLB teams is .500.

Led all of MLB in 2017 Los Angeles Dodgers 162 games

.642 Winning Percentage .012 clear of Cleveland Indians

#	Team	League	G	W-L%
1	Los Angeles Dodgers	NL	162	.642
2	Cleveland Indians	AL	162	.630
3	Houston Astros	AL	162	.624
4	Washington Nationals	NL	162	.599
5	Arizona Diamondbacks	NL	162	.574
5	Boston Red Sox	AL	162	.574
7	Chicago Cubs	NL	162	.568
8	New York Yankees	AL	162	.562
9	Colorado Rockies	NL	162	.537
10	Milwaukee Brewers	NL	162	.531
11	Minnesota Twins	AL	162	.525
12	St. Louis Cardinals	NL	162	.512
	MLB average			.500
13	Kansas City Royals	AL	162	.494
13	Los Angeles Angels of Anaheim	AL	162	.494
13	Tampa Bay Rays	AL	162	.494
16	Seattle Mariners	AL	162	.482
16	Texas Rangers	AL	162	.482
18	Miami Marlins	NL	162	.475
19	Toronto Blue Jays	AL	162	.469
20	Baltimore Orioles	AL	162	.463
20	Oakland Athletics	AL	162	.463
20	Pittsburgh Pirates	NL	162	.463
23	Atlanta Braves	NL	162	.444
24	San Diego Padres	NL	162	.438
25	New York Mets	NL	162	.432
26	Cincinnati Reds	NL	162	.420
27	Chicago White Sox	AL	162	.414
28	Philadelphia Phillies	NL	162	.407
29	Detroit Tigers	AL	162	.395
29	San Francisco Giants	NL	162	.395

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.