We just recently updated our player pages for mobile and added a few new features! Check out our blog post about the changes.

You can now shift + click on full MLB seasons in Season Stats and games in Game Logs to select spans for aggregate stats. Read more here.

Jerry Koosman

 
Age: 77
Bats/Throws: R/L
6' 2" / 208
P
Birthdate: 12/23/1942 (77 y, 6 m, 21 d)