ESPN’s Shams Charania recently reported that the Celtics are pursuing trade options to acquire a new starting center. After a slow start to the season, Boston has kicked it into high gear, claiming second place in the Eastern Conference with a record of 29-17. Here are three centers that could be on their way to Boston before the trade deadline of Feb. 5. Ivica ZubacThe Clippers big man has been linked to the Celtics in trade talks all season. This may be beneficial for Stevens and the Celtics as it could lower his trade value heading into the deadline.