Cubs aim to wrap up playoff spot on trip

Lou Piniella called upon decades of baseball knowledge when the Chicago Cubs were scuffling for the first two months. He watched intently, took mental notes and then started swapping out the parts. Finally, he used some theatrics to literally kick-start his team. Turns out, a dirt-kicking temper tantrum against umpire Mark Wegner on June 2 was just what the Cubs needed, whether it was premeditated…