Through the 2011 season, Mariano Rivera has a career ERA of 2.21. He also has a career postseason ERA of 0.70.
That was Bob Gibson, whose 1.12 ERA remains the lowest for any starting pitcher since Dutch Leonard in 1914, and the fourth-lowest of all time, dating back to 1876. In that year Gibson pitched 13 shutouts -- since 1998, no MLB starting pitcher has had 13 complete games!
Andy Pettitte has a record of 18 wins, 9 losses and an ERA of 3.90
Babe Ruth, pitching for the Boston Red Sox had the best ERA in 1916. It was 1.75. That's a low ERA for people not familiar with the game.
ubaldo jimenez Colorado rockies
In 2008, Cole Hamels was the postseason star for the Philadelphia Phillies. He was named Most Valuable Player for both the NLCS and World Series. Hamels went 4-0 with a 1.80 ERA in five postseason starts.
Through the 2008 season, that is Mariano Rivera who has pitched 117 1/3 innings in the postseason to an ERA of 0.77. He has pitched 47 2/3 innings in the ALDS to an ERA of 0.38, 38 2/3 innings in the ALCS to an ERA of 0.93, and 31 innings in the World Series to an ERA of 1.16. All told, he has given up 10 earned runs in postseason play.
Don Gullett, 15-4 with a 2.42 ERA.
Babe Ruth's best record as a pitcher was 23-12 in 1916. He registered a 1.75 ERA during that season.
Felix Hernandez
Through the 2011 season, Mariano Rivera has a career ERA of 2.21. He also has a career postseason ERA of 0.70.
That was Bob Gibson, whose 1.12 ERA remains the lowest for any starting pitcher since Dutch Leonard in 1914, and the fourth-lowest of all time, dating back to 1876. In that year Gibson pitched 13 shutouts -- since 1998, no MLB starting pitcher has had 13 complete games!
That was Pedro Martinez of the Boston Red Sox at 2.22.
Through the 2010 season, 3.85 in the regular season and 2.13 in the postseason.
Arguably the best MLB pitcher of all time was Nolan Ryan. While he had thousands of walks, he also had a relatively low ERA and struck out over 5,000 batters.
My best research seems to indicate that the Yankees first African-American pitcher seems to be Al Downing, who joined the Yanks as a 20 year old lefthander in the 1961 season appearing in 5 games, starting one and compiling a record of 0-1 with an era of 8.00.
Andy Pettitte has a record of 18 wins, 9 losses and an ERA of 3.90