EDGEAI

MLBcontact quality pitcher hr prone

2.19 HR/9

Jack Perkins has allowed 14 home runs in 57.5 innings this season — 2.19 per nine, against a league rate near 1.25. His ERA is 7.83. ERA is the number everyone quotes and it is the wrong one for a home run market: a low-ERA fly-ball pitcher gives up more homers than a higher-ERA groundballer, and ERA cannot tell them apart.

Published Tuesday, September 8, 2026

Jack Perkins has allowed 14 home runs in 57.5 innings this season — 2.19 per nine, against a league rate near 1.25. His ERA is 7.83. ERA is the number everyone quotes and it is the wrong one for a home run market: a low-ERA fly-ball pitcher gives up more homers than a higher-ERA groundballer, and ERA cannot tell them apart.

THE NUMBERS

angle
pitcher_hr_prone
direction
prone
pitcher id
678022
pitcher name
Jack Perkins
team
Athletics
matchup
Toronto Blue Jays vs Athletics
headline
2.19 HR/9
hr9
2.19
innings pitched
57.5
home runs allowed
14
era
7.83
detail
Jack Perkins has allowed 14 home runs in 57.5 innings this season — 2.19 per nine, against a league rate near 1.25. His ERA is 7.83. ERA is the number everyone quotes and it is the wrong one for a home run market: a low-ERA fly-ball pitcher gives up more homers than a higher-ERA groundballer, and ERA cannot tell them apart.

This record was written when the finding was first published and has not been edited since. The numbers and the wording are what our engines produced on the day.