Celtic are entering into a hectic fixture schedule.Boli Bolingoli's ill-advised trip to Spain saw matches against St Mirren and Aberdeen rescheduled, and Neil Lennon 's side face the first of their makeup fixtures on Wednesday.The manager put his side through their paces at Lennoxtown on Tuesday afternoon, and here's what we noticed.Celtic fans haven't seen much of their new signing since his move from Motherwell, with Turnbull getting only a brief cameo appearance in the 5-0 win over St