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Pomp
06-17-04, 05:05 PM
Can someone explain 'ERA+' in basic terms? Why is it better than just normal ERA? Thanks.

JeffWeaverFan
06-17-04, 07:15 PM
This explains it nicely.

http://www.baseball-reference.com/about/pitch_glossary.shtml

There are 2 good things about it. 1. If you want to compare two pitchers from different times this is the stat to use because it compares the pitchers to how other pitchers pitched that specific year. 2. If you pitch in a hitters park or a pitchers park, your ERA+ will take that into acount.

ForceFive
06-19-04, 07:37 AM
Pomp - also think of it this way. An ERA+ of 100 is the league average.

So when you see an ERA+ number over 100 it's above average, anything under 100 is below average. So the higher the ERA+ number, the better the pitcher. FYI, Pedro Martinez has the highest single-season ERA+ ever, with a 285 in 2000.

RhodeyYankee2638
06-20-04, 03:35 PM
I have heard this somewhere, but I am not sure..... But is it true that if Rivera could qualify, he would have the highest ERA+ for his career??? If this is true, how many IP does he need?

Rich
06-21-04, 02:51 AM
Rivera's career ERA+ is 186:

http://www.baseball-reference.com/r/riverma01.shtml

Pedro is the career leader at 174:

http://www.baseball-reference.com/leaders/ERAplus_career.shtml

To qualify a pitcher must have a "[m]inimum of 1000 IP, 3000 PA and 100 decisions for career and active leaderboards for rate statistics."

Going into this season, Rivera has pitched: 649.7 IP, 512 games, and his record is 43-29 (72 decisions).

Pomp
06-28-04, 09:32 AM
Does ERA+ give any consideration for allowing any inherited runners to score either for the pitcher who is relieved or the pitcher who allows the runs?

NJASDJDH
06-28-04, 10:20 AM
Originally posted by Pomp
Does ERA+ give any consideration for allowing any inherited runners to score either for the pitcher who is relieved or the pitcher who allows the runs?

No, but if you want those types of numbers, here you go:



http://www.baseballprospectus.com/statistics/rrereport04.html?PHPSESSID=2011c8297a3334d131c866acb89b4b70