Stanford alum and Heisman trophy winner Jim Plunkett is as conservation-minded as the next college football legend. When your school mascot is a tree, .\rbr\rbrCant a Stanford legend even write a poem without ticking off his alma maters unofficial mascot? Apparently not.\rbr\rbrHeisman great and Stanford grad Jim Plunkett has a complicated relationship with the Stanford Tree.\rbr\rbr\rbr\rbrNFL QB Jim Plunkett in an archived ESPN personal story, reflects on his years at the Stanford Delt House. An excerpt from the video : The defining moment of .