"I’ve been getting a feeling, like my previously innocent spirit has become a little distracted. When I realized this, I felt like something stretched and then snapped. It might seem like a small change, but for me it was huge. I feel that I can’t continue serious training, and to perform as a professional fighter in this condition. For me as a fighter, the most important things are 'feelings.'"

Read Miku Matsumoto's statement on her retirement over at MMA Rising, as translated by Roxanne Modafferi.