Friday 3.31.17 by Max Isaak | Mar 30, 2017 Sonny Mars Attacks 3 rounds of: 5 Ring Muscle Ups 10 Power Cleans @ 155/105 15 Lateral Barbell Burpees Post Times to Comments. Box Brief 6:30pm is on this Friday and every Friday from now on! Hooray! Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related