Dixon, James; Furious, Arnold; Maughan, Lee (2012). The Complete WWF Video Guide Volume I, Volume 1(en inglés). p. 125. ISBN129110089X. Consultado el 21 de febrero de 2018. «Hogan ... Numerous fallings out with McMahon over the years led to his departure, and he now treads water in distant number two promotion TNA, hurting rather than helping the cause.»
Meltzer, Dave (19 de junio de 2017). «June 19, 2017 Wrestling Observer Newsletter: Conor McGregor/Floyd Mayweather on, Okada/Omega classic, more». Wrestling Observer Newsletter(en inglés) (Campbell, California): 6. ISSN1083-9593. «Okada’s next title defense will be on 7/1 in Long Beach against Cody ... There is a very good chance that Cody will be winning the ROH title from Christopher Daniels ... If he does ... that creates the unique situation of the world champion of Japan’s No. 1 organization against the world champion of the (very distant) No. 2 organization in the U.S.»
«ROH announces streaming service similar to WWE Network with live events, archives, and live PPV access». pwtorch.com(en inglés). 2 de febrero de 2018. Consultado el 3 de febrero de 2018. «Although there aren’t comparable metrics, at some point since TNA Impact Wrestling left Spike TV and ROH continued to stabilize itself with the Sinclair partnership and New Japan relationship, ROH easily became the no. 2 pro wrestling company based in North America, behind only WWE – although by a big distance.»
«TNA wrestling continues international TV expansion». The Tennessean(en inglés). 10 de abril de 2015. Consultado el 6 de mayo de 2015. «Founded in 2002, TNA has established itself as the second-largest professional wrestling promotion in the country».