Shams Charania of Yahoo Sports reported that Smart had a torn tendon in his right thumb, while former colleague and current ESPN reporter Adrian Wojnarowski indicated that the team was calling it a "sprain" and was now in the process of obtaining a second opinion and deciding whether Smart might be able to play through the pain.
Adrian Wojnarowski of ESPN reports Smart and the Celtics are still deciding if Smart can play through the injury or not.
Sports reported Monday that Smart has a torn tendon and will seek a second opinion.
Irving left Sunday's 99-97 loss to the Indiana Pacers at halftime after the knee soreness that caused him to miss last Monday's game in Chicago flared up again.
Now this: Marcus Smart has a torn ligament in his thumb.
Boston Celtics point guard Kyrie Irving will not play against the Washington Wizards on Wednesday night. Though he initially said he would be "all right", it's clear the Celtics now fear he could miss extended time.
Smart, 24, is averaging 10.2 points, 4.8 assists and 3.5 rebounds this season. Smart is now going over his treatment options with the Celtics medical staff, but with no clear timetable to return, he should be sent to the waiver wire in most cases.