This is standard bunt coverage. With a runner on first the 2B has 1B , 3B has line , 1B has line , pitcher has in front , catcher has in front. When the hitter shows bunt the 2B has to sprint towards first. The 1B if the ball is not bunted up the line sprints back in case the 2B does not get there in time and communication is key.
Its standard bunt coverage. Its one reason your mif need to be athletic and have speed. In a sac situation your going to cheat a litte off of dbl play depth. If your players are attentive to the signs of an impending bunt by the hitter you can get a good jump as well. But Coach Curt this is the standard bunt coverage that has been around for years and is used at all levels of baseball in this situation. The more you practice it the better you will be executing it.