The Celtics are on the clock

What the future holds takes a back seat to the now as Boston embarks on a playoff run with high expectations. BOSTON -- When Al Horford signed with the Boston Celtics last summer it signaled an important shift in their long-term rebuilding plan. In addition to being one of the most coveted players on the market, Horford was the first max free agent to ever sign with the Celtics. The era of plucky overachievement was over. Now it was time for results. To be sure, no sensible person suggested that...