Joe Joyce stopped Christian Hammer in Round 4 to retain his WBO international and WBC silver heavyweight titles. Their contest took place inside the iconic Wembley Arena in London, England. The Brit entered tonight seeking his 14th win in a row, and by scoring a victory via TKO, he now has only one fight on his record that went the distance.Christian Hammer joins an elite class of heavyweights to fall to Joe Joyce, the likes of which include Daniel Dubois, Carlos Takam, and former WBC world champ Bermane Stiverne. The two were scheduled to go 12 rounds, but 'Juggernaut' ended things eight rounds ahead of schedule.Joe Joyce vs. Christian Hammer resultsJoe Joyce def. Christian Hammer via TKO in Round 4'Juggernaut' eased to a comfortable victory for his first fight in nearly a year, maintaining his undefeated streak. The Brit forced Hammer to take a knee at the end of the third round, which spelled the beginning of the end for the German heavyweight. He endured three more counts prior to the TKO. In winning his clash, 'Juggernaut' has cemented himself as the mandatory challenger for the WBO world title.Boxing on BT Sport 🥊@BTSportBoxing𝐀𝐧𝐝 𝐬𝐭𝐢𝐥𝐥...Joe Joyce takes win number 14 and stoppage number 13! #JoyceHammer9919𝐀𝐧𝐝 𝐬𝐭𝐢𝐥𝐥...Joe Joyce takes win number 14 and stoppage number 13! 🙌#JoyceHammer https://t.co/L8K4bhsJXPJoyce will surely have his eyes on the upcoming rematch between Oleksandr Usyk and Anthony Joshua. Whoever comes out victorious from their clash will hold the WBO title, of which the Brit is the mandatory challenger.Zolani Tete def. Jason Cunningham via KO in Round 4Boxing on BT Sport 🥊@BTSportBoxingWOW! Zolani Tete defeats Jason Cunningham in explosive fashion in the fourth round! Jason Cunningham looks to be ok.#JoyceHammer627147WOW! 😱Zolani Tete defeats Jason Cunningham in explosive fashion in the fourth round! 💨Jason Cunningham looks to be ok.#JoyceHammer https://t.co/V1Vtidul8sZolani Tete decimated Jason Cunningham as the Brit looked to elevate his competition against the former two-weight world champion. For the first three rounds, Tete seized control with his southpaw stance and sharp jabs.He dropped Cunningham once before landing a significant left hook which left his opponent motionless on the ground, milliseconds after the ref had already waved off the contest. Paramedics were required to treat the fallen Brit, providing oxygen until he could get back to his feet four minutes later.Mark Chamberlain def. Marc Vidal via UD Boxing on BT Sport 🥊@BTSportBoxingMark Chamberlain wins the first title of his professional career! The IBF European lightweight belt is his #JoyceHammer6310Mark Chamberlain wins the first title of his professional career! 💪The IBF European lightweight belt is his ✅#JoyceHammer https://t.co/Z52trbX7jmHenry Turner def. Jakub Laskowski via PTS Boxing on BT Sport 🥊@BTSportBoxing"Yeah, I'm happy with my progression." "I'm ready to step it up even more and hopefully get a title soon." Henry Turner moves to 8-0 as a pro with ease after overcoming Jakub Laskowski 60-54 on the scorecards.... #JoyceHammer201"Yeah, I'm happy with my progression." "I'm ready to step it up even more and hopefully get a title soon." Henry Turner moves to 8-0 as a pro with ease after overcoming Jakub Laskowski 60-54 on the scorecards.... 📈#JoyceHammer https://t.co/B47YlpyOcOTommy Fletcher def. Aron Vrnoga via TKO in Round 4Boxing on BT Sport 🥊@BTSportBoxingThe perfect professional debut, Tommy Fletcher #JoyceHammer577The perfect professional debut, Tommy Fletcher 👏#JoyceHammer https://t.co/jrVlg03aouMicky Burke def. Serge Ambomo via PTS