USA Rugby Union team coach Jack Clark (R) with his captain Dan
James Graham to lead England in Four Nations opener against Samoa, England rugby league team
Papa Bear Cal coach Jack Clark, whose rugby dynasty has long ruled the college game, has his Golden Bears just two games away from their 12th straight national title - Sports Illustrated
Jack Clark US Rugby Foundation
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Known By His Deeds - California Golden Blogs
Known By His Deeds - California Golden Blogs
Jack Clark
Jack Clark - Head Coach - University of California
Jack Clark - Cal Sports Camps
Doing it for Johnny' adds to Ireland's Rugby World Cup motivation
Fall 2015 USA Ultimate Magazine by USA Ultimate - Issuu