But on that evening, Sonnen dominated Silva with his grappling for the majority from the 5-round contest. It was merely a Hail Mary triangle choke from Silva that saved his title reign, forcing Sonnen to tap out with below two minutes remaining in the final spherical. Why it matters: https://boxingmmamartial-artsvira20806.mybloglicious.com/48433163/mma-martial-arts-things-to-know-before-you-buy