Gabe Kapler is following in the footsteps of other Jewish activist
Gabe Kapler and the anatomy of a sports protest – KNBR
Gabe Kapler: MLB's liberal jock in America's most conservative
SF Giants' Gabe Kapler donating Jackie Robinson Day salary
Gabe Kapler donating Jackie Robinson Day salary to Players
MLB's Gabe Kapler follows a Jewish sports tradition with National
On Gabe Kapler and my personal journey back to the national anthem
Gabe Kapler is following in the footsteps of other Jewish activist