George Kittle's transformation from solid Iowa player to 49ers superstar
George Kittle, American Football Wiki
Don't Get in George Kittle's Way or He Will Run You Over - The Ringer
Former Iowa Tight End George Kittle Looks To Be The Starter For 49ers
How 49ers' George Kittle went from 'scrawny' receiver to elite tight end – NBC Sports Bay Area & California
Colston Loveland thrives as Michigan's tight end
Kittle's Corner part 2: the TE's inside look at his fellow Hawkeyes headed to the Combine - Niners Nation
Family legacy elevates Kittle, Krieger Coble
ASSUME THE POSITION 2014: TIGHT END - Black Heart Gold Pants
Believe' always has carried Iowa's George Kittle