Once teammates, Jarrell Root and Charles ("Chuck") Hayes III are now rivals.
The former Boise State football standouts have taken their knowledge of the game to local high schools.
Root, a Capital High School alumni, kept in contact with his high school coaches for the last eight years.
"They were great guys to me," Root said. "They helped get me where I was and where I wanted to be."
After a brief stint with the Miami Dolphins, Root came back to Boise and decided to give back to local athletes.
Last season, Root returned to his alma mater to coach the Eagles' defensive line.
"In high school, I played this sport because it was football time and I love football," Root said.
"When I came to college, in the first three weeks of college practice, I was just like [makes motion of brain exploding]," Root said.
Hayes' journey back to Boise was a little different. After he ended his Boise State career, he played arena football for the Kansas City Command. The experience left a sour taste in his mouth.
"I feel like we had a lot more professionalism at Boise State, just technique wise, with practices and how everything was set up and organized," Hayes said. "Going to Kansas City, I felt like I was on junior varsity high school team."
Hayes returned to Boise and began to train clients at Body Renew Fitness.
Though Hayes has always played around with the idea of coaching, the opportunity came abruptly.
"I got laid off in July, and that kind of really opened the doors," Hayes said. "I never really had time for it, but now I had all the time in the world."
One of Hayes' clients, a Timberline football player, invited him to one of his practices.
"It took me about 15 minutes to realize that being on the field feels damn good," Hayes said. "After that, I went to another scrimmage and the coach just looked at me and told me 'Hey, come over here and run these drills,' and ever since then I felt like I was part of the team."
One aspect of coaching both Root and Hayes weren't expecting was finally grasping what their coaches taught them so long ago.
"You have to think about how you're explaining it and getting it across to the young men, like 'this is how you do it,' and I understand that this is boring and the tedious work is boring," Root said. "At that age you're just going, 'whatever, I'm athletic.' When we were younger and playing, we were just like 'coach, shut up.' and now we're in that spot, going 'oh, I get it now.'"
"I've texted coach Kwiatkowski (former Boise State defensive coordinator) so many times, like, 'dude, I get it now,'" Root said. "He laughed and just texted me back, 'Thats why I was always calm with you guys, because I knew eventually you'd get it.'"
Hayes agreed, and believes teaching the little details is one of the aspects of the game coaches ignore.
"A lot of times, coaches go out there and run this play and do this and that, but they're not adding tools to the tool book," Hayes said. "So when we go out there, we're trying to teach them 'what are you looking at, where are your eyes at, how big is your stance supposed to be, how do I look at an O-Lineman, the little details that you don't really get, that I didn't get that in high school, can play a big role in winning and losing. Just showing them, 'Hey if you do it like this, just six inches to the left, you got this guy beat.' I think looking for little things, [the coaches] got us for that now, and I think that will really show this year for both of our teams."
Hayes also said his players have emulated a few Boise State traditions.
"Over the weekend, on their own free time, these guys went out and bought a hammer, painted it white and blue, put 'Timberline O-Line Pride' on it, brought it to practice the next day and showed it off," Hayes said. "They always talk about having a brotherhood."
Though the main goal for both is to better their athletes in the hopes that they can play for division 1 schools, Root and Hayes have a difficult time ignoring the sense of rivalry they've created.
"We haven't put anything down yet, we've more been saying this: October 3rd, pick your side, plain and simple," Root said. "That's what it's about."
"I'm not here to say who will win," Hayes said.
"We've got ten years of dominance over them, ten!" Root said. "We're not going to break that."
"I will say this, what will happen that night, all that he is saying is going to fuel into our fire, and we appreciate that," Hayes said. "We're all about getting better."
"First of all, if you need fuel, you don't got that fire, that endless burn in you, you're not a Capital Eagle," Root said.
"It doesn't matter," Hayes said. "We're just going to come with our helmets and our shoulder pads ready to play."
Capital and Timberline will face off October 3rd at Capital.