Joe Mazzulla has suddenly been thrust into the spotlight as the Celtics’ interim coach after Ime Udoka was suspended this season for violating team policy. Guard Marcus Smart believes Mazzulla can handle the job, Tim Bontemps of ESPN.com writes. “It would’ve been different if we had somebody new that we didn’t know and were trying to build that connection with,” Smart said. “Joe has been here. He knows the scheme, he knows the players, so it makes it a little bit more easier to adjust to a guy that’s been here and knows you.” We have more on the Celtics…