By Nick Simon Table of Contents History Formulas Real Life Applications Works Cited History ERAearned run average was developed by Henry Chadwick in the early 1900s It is used to see how good a pitcher is WHIPwalks hits innings pitched was created by Daniel Okrent in 1979 a ID: 604608
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Slide1
WHIP and ERA
By:
Nick SimonSlide2
Table of Contents
HistoryFormulasReal Life ApplicationsWorks CitedSlide3
History
ERA(earned run average) was developed by Henry Chadwick in the early 1900’s. It is used to see how good a pitcher is. WHIP(walks, hits, innings pitched) was created by Daniel Okrent in 1979 and it tells you how many base runners, on average, a pitcher allows per inning
Henry
Chadwick
Daniel
OkrentSlide4
ERA Formula
If you want to find a pitcher’s ERA you have to use this formula; 9(Earned Runs/Innings Pitched)
Ex. Someone gives up 2 earned runs over 8 innings.
1. 2/8=0.25
2. 0.25x9=2.25Slide5
WHIP Formula
To find a pitcher’s WHIP you have to use this formula; (Walks+Hits)/Innings Pitched.
Ex. A pitcher has walked 5 batters and allowed 10 hits over 25 innings.
10+5=15
15/25=0.60Slide6
Real
L
ife
A
pplications
Clayton Kershaw pitched about 198 innings last year. He gave up about 40 earned runs. So, since 40/198=0.20 and 0.20x9= 1.80Slide7
Real Life Applications
Steven Strasburg gave up 43 walks and 198 hits. He pitched 215 innings.
What is his WHIP?
WalksSlide8
Real Life Applications
His WHIP is 1.12Slide9
Works Cited
http://www.todayifoundout.comhttp://en.wikipedia.org