2012 NL Earned Run Average by Team

The Cincinnati Reds and the Washington Nationals shared the lead of the NL in earned run average in 2012, with 3.34. The average across 16 NL teams is 3.95.

Led the NL in 2012 Cincinnati Reds 162 games

3.34 Earned Run Average Tied with Washington Nationals

#	Team	G	ERA
1	Cincinnati Reds	162	3.34
1	Washington Nationals	162	3.34
3	Los Angeles Dodgers	162	3.35
4	Atlanta Braves	162	3.42
5	San Francisco Giants	162	3.68
6	St. Louis Cardinals	162	3.71
7	Philadelphia Phillies	162	3.86
8	Pittsburgh Pirates	162	3.91
9	Arizona Diamondbacks	162	3.94
	NL average		3.95
10	San Diego Padres	162	4.01
11	New York Mets	162	4.09
12	Miami Marlins	162	4.10
13	Milwaukee Brewers	162	4.22
14	Chicago Cubs	162	4.51
15	Houston Astros	162	4.57
16	Colorado Rockies	162	5.22

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.