sentences:  Boxer-punchers can be hard to categorize since they can be closer in style to a slugger, swarmer, or an out-boxer.A counterpuncher utilizes techniques that require the opposing boxer to make a mistake, and then capitalizing on that mistake.A skilled counterpuncher can utilize such techniques as winning rounds with the jab or psychological tactics to entice an opponent to fall into an aggressive style that will exhaust him and leave him open for counterpunches.