We'd like you to meet a very good boy: Boss is one of at least nine newly registered pit bulls in the city, according to Denver Animal Protection.Why Boss matters: He belongs to Denver resident and former Broncos quarterback Brock Osweiler, who helped the team to a Super Bowl 50 victory.Get market news worthy of your time with Axios Markets. Subscribe for free.Flashback: Denver voters repealed a decades-old pit bull ban in November.In his first stint with the Broncos, Osweiler lived in Lone Tree, so that he could legally own Boss and his pit bull sister (who has since passed away). When he returned to the team in 2017, his furry "family" members stayed with relatives out of state. What he's saying: Registering his best friend at Denver Animal Shelter was not only simple — it was a no-brainer. He hopes more people follow suit."It's important for people who are scared of pit bulls or think negatively about them to see that there are good pit bulls out there," Osweiler tells Axios. This story first appeared in the Axios Denver newsletter, designed to help readers get smarter, faster on the most consequential news unfolding in their own backyard.Sign up here.Like this article? Get more from Axios and subscribe to Axios Markets for free.