Marcus Smart shows why it’s still ideal to employ Marcus Smart

Winslow Townson-USA TODAY Sports Jayson Tatum and Jaylen Brown had electrified through the first three quarters in Boston’s Wednesday night battle against the New York Knicks, combining for 43 of their team’s 70 points, but that wasn’t even enough to give them a lead as they entered the final frame down by three points.

If the greatness of Tatum and Brown couldn’t put the Celtics ahead, somebody else would need to offer some type of spark. Options were limited in the absence of Kemba Walker on the second night of a back to back.

Marcus Smart wasn’t having the makings of a stellar outing through the first 36 minutes, having made just one of his seven field goal attempts. But it’s in those…