Wolfe, Cameron (22. januar 2016). «Broncos plan to slow down Patriots' Rob Gronkowski with physicality, better tackling». The Denver Post (på engelsk). Besøkt 25. juni 2021. «Total package, man," Aqib Talib said in his press conference Thursday, "Best tight end I've ever seen play the game, man. It’ll definitely be a tough cover any time he's split out wide.»
«Curran: Gronk had nothing more to give». NBC Sports Boston (på engelsk). 24. mars 2019. Besøkt 25. juni 2021. «Gronk proved a 6-6, 260-pound behemoth with muscles on his muscles, a so-so command of the King's English and the sense of humor of a seventh-grader could become an icon by never being anything but himself.»
Webb, Donnie (10. januar 2007). «Gronk to Arizona». Syracuse.com (på engelsk). Besøkt 23. juni 2021. «Gronkowski is the son of former Syracuse University football player Gordon Gronkowski (1977-81).»