Hall of Fame Defensive Lineman Art Donovan, who enjoyed a lengthy second act as a ubiquitous NFL Films interviewee (and competition for Teri Garr in the "Who Appeared on 'Late Night With David Letterman' The Most In The 1980's Award), dead at 88. (http://www.nytimes.com/2013/08/06/sports/football/art-donovan-a-behemoth-of-modesty-dies-at-89.html?_r=0)