The forwards have gone back and forth over the past several years, creating one of the best player rivalries in hockey. There have been numerous altercations on the ice between them, and Kane said he felt like he was fighting "The Muffin Man" after the two squared off during the playoffs last spring.
"It might be longer than nine years, we didn't like each other in junior," Reaves said of the rivalry's origin on Sportsnet's After Hours on Saturday. "It kind of started early in my career, him running around and then I challenge him and he always tells me he's gonna beat me up but would never fight me.
"It was just that constant him chirping, chirping, chirping, and never doing anything about it."
Kane responded to Reaves' comments on Twitter, saying the two never played against each other in the WHL.
Despite the hate between them, Reaves seems to be enjoying his battles with Kane.
"I love it. I like watching that stuff in other sports, there's not a lot of it in hockey," Reaves continued. "I love the hatred in sports, it makes it a little more interesting. I wish there was a little more in hockey."