Jack Clark - Head Coach - University of California
The man, the myth: Deconstructing Cal rugby legend Jack Clark
Jack Clark
Sam Tomkins to haunt his former side? – Super League Grand Final talking points
Jack Clark US Rugby Foundation
Cal baseball, rugby refuse to go quietly after termination of their programs – The Mercury News
Known By His Deeds - California Golden Blogs
Jack Clark - Head Coach - University of California
University Of California Rugby Photos and Premium High Res Pictures - Getty Images
Doing it for Johnny' adds to Ireland's Rugby World Cup motivation
Pac-12 Living Legend: Cal rugby's Jack Clark