NBA Rumors: How Celtics' trade for Isaiah Thomas almost fell apart originally appeared on nbcsportsboston.com While fans may have strong opinions about former Celtics point guard Isaiah Thomas, according a new report, 30 minutes before the trade deadline, the Celtics believed they would miss out on him altogether. Thomas, the 5'9 point guard, undoubtedly altered the course of the Celtics franchise. Coming off a 2013-14 campaign in which the Celtics failed to qualify for the playoffs, Thomas was acquired from the Phoenix Suns in a February 19, 2015 trade.