By Mike McDaniel The baseball journalist will be in prison after being convicted of domestic assault against his ex-wife. Editor’s note: This story contains accounts of domestic violence. If you or someone you know is a survivor of domestic abuse, contact the National Domestic Violence Hotline at 1-800-799-7233 or at https://www.thehotline.org/ Baseball journalist Jonah Keri, who previously contributed to Sports Illustrated, Grantland and The Athletic, was sentenced to 21 months in prison Wednesday for repeated incidences of domestic assault of his ex-wife. The 47-year-old admitted to committi…