By Zach Koons The 29-year-old is no stranger to stepping into the starting role at a moment’s notice. Editors’ note: This story contains accounts of sexual assault. If you or someone you know is a survivor of sexual assault, contact the National Sexual Assault Hotline at 1-800-656-4673or at https://www.rainn.org. Browns quarterback Jacoby Brissett said that he plans to take a “next man up” mentality as he prepares to take over for Deshaun Watson to start the season. Brissett’s likely step up to Cleveland’s QB1 comes after independent arbitrator Sue L. Robinson, the disciplinary officer appoint…