2012 MLB On-Base Percentage by Team

The St. Louis Cardinals led all of MLB in on-base percentage in 2012, with .338, .001 ahead of the New York Yankees. The average across 30 MLB teams is .319.

Led all of MLB in 2012 St. Louis Cardinals 162 games

.338 On-Base Percentage .001 clear of New York Yankees

#	Team	League	G	OBP
1	St. Louis Cardinals	NL	162	.338
2	New York Yankees	AL	162	.337
3	Detroit Tigers	AL	162	.335
4	Texas Rangers	AL	162	.334
5	Los Angeles Angels of Anaheim	AL	162	.332
6	Colorado Rockies	NL	162	.330
7	Arizona Diamondbacks	NL	162	.328
8	San Francisco Giants	NL	162	.327
9	Milwaukee Brewers	NL	162	.325
10	Minnesota Twins	AL	162	.325
11	Cleveland Indians	AL	162	.324
12	Washington Nationals	NL	162	.322
13	Atlanta Braves	NL	162	.320
14	San Diego Padres	NL	162	.319
	MLB average			.319
15	Chicago White Sox	AL	162	.318
16	Tampa Bay Rays	AL	162	.317
17	Philadelphia Phillies	NL	162	.317
18	Kansas City Royals	AL	162	.317
18	Los Angeles Dodgers	NL	162	.317
20	New York Mets	NL	162	.316
21	Cincinnati Reds	NL	162	.315
22	Boston Red Sox	AL	162	.315
23	Baltimore Orioles	AL	162	.311
24	Oakland Athletics	AL	162	.310
25	Toronto Blue Jays	AL	162	.309
26	Miami Marlins	NL	162	.308
27	Pittsburgh Pirates	NL	162	.304
28	Chicago Cubs	NL	162	.302
28	Houston Astros	NL	162	.302
30	Seattle Mariners	AL	162	.296

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.