Mariners head groundskeeper Bob Christofferson can make you a playing surface you can't refuse. The former Cheney Stadium grounds chief documented the month-long process at Safeco Field on his Twitter account. Drew Perine dperine@thenewstribune.com
Mariners head groundskeeper Bob Christofferson can make you a playing surface you can't refuse. The former Cheney Stadium grounds chief documented the month-long process at Safeco Field on his Twitter account. Drew Perine dperine@thenewstribune.com

Mariners show you how to build a baseball field in 20 tweets

November 10, 2017 03:04 PM