WHIP and ERA By: Nick Simon

Table of Contents History Formulas Real Life Applications Works Cited

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 Okrent

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= x9=2.25

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 = /25=0.60

Real Life Applications Clayton Kershaw pitched about 198 innings last year. He gave up about 40 earned runs. So, since 40/198=0.20 and 0.20x9= 1.80

Real Life Applications Steven Strasburg gave up 43 walks and 198 hits. He pitched 215 innings. What is his WHIP? Walks

Real Life Applications His WHIP is 1.12

Works Cited