If you pick the runner off April 8, 2016May 13, 2016 MaxRubner Fielding, Pitching If you pick the runner off at 1st and the batter heads for 2nd, you must back up 1st base in case of a rundown. (hotbox). Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Google+ (Opens in new window) Related