On the defensive side, the Rats led the league in team ERA (3.50) and fielding percentage (.962).
The 49ers (also known as the Dirtbags) were among the nation's best in team ERA, finishing in the top 5 nationally three times.
The 3.94 team ERA was the lowest since the 1975 season and the best since the addition of aluminum bats in college baseball.
The Mets finished with a team ERA of 2.99, and a league leading 28 shutouts thrown.
Their team ERA and 16 shutouts were tops in the league.
The team ERA was 4.40, and they allowed nine or more runs 28 times.
The 103-48 Giants also led the league in team ERA at 2.58.
The O's, winners of 109 games, had the league's best defense and pitching (2.83 team ERA).
Their 1.78 team ERA was the lowest in a month since divisional play started in 1969.
The pitching staff finished the season with a team ERA of 3.14 in 2011, which is the lowest since 2005 and the second-lowest since 1979.