Roberto Di Matteo saved his bigger guns for Chelsea's Premier League game against Stoke but still came out on topThis has been another season wrecked by in-fighting and managerial upheaval at Chelsea, but some lessons are clearly being learned. Before pinning up his first team-sheet for the club on Tuesday night, Roberto Di Matteo took Frank Lampard and Didier Drogba to one side and explained precisely why they would start this contest on the bench.The Italian's selection owed nothing to politics. Neither had it been dictated from above. "It had nothing to do with bravery, either," said the interim first-team coach. Rather, the pair were bein...