MCKEESPORT Pa. -- McKeesport came into Friday night's playoff game against Mars with a chip on their shoulder, as the Tigers suffered their first loss of the season the week prior against Thomas Jefferson. The Tigers took their frustration out on the Fightin' Planets and put the game away by the end of the second quarter with a commanding 36-0 lead. 'We had a tough loss last week, so our mindset was like we got to bounce back,' McKeesport running back Bobbie Boyd Jr. said. 'This can't be our last game, so we just motivated ourselves. We practiced hard, watched