The Celtics are finalizing a trade that sends Marcus Smart to the Grizzlies as part of a three-team deal with Boston netting Kristaps Porzingis, Adrian Wojnarowski of ESPN reports.

Marcus Smart closed with 21 points (7-15 FG, 4-11 3Pt, 3-4 FT), four rebounds and one assist in 42 minutes during Saturday's 104-103 victory over the Heat in Game 6 of the Eastern Conference Finals.

Marcus Smart closed with 23 points (7-12 FG, 4-6 3Pt, 5-6 FT), three rebounds, two assists and five steals across 30 minutes during Thursday's 110-97 win over the Heat in Game 5 of the Eastern Conference Finals.

Marcus Smart produced 13 points (3-7 FG, 2-4 3Pt, 5-8 FT), one rebound, 11 assists, one block and two steals over 34 minutes during Wednesday's 123-116 loss to Miami in Game 1 of the Eastern Conference Finals.

Marcus Smart produced 14 points (2-7 FG, 2-5 3Pt, 8-10 FT), three rebounds and four assists in 34 minutes during Tuesday's 115-103 loss to the 76ers in Game 5 of the Eastern Conference Semifinals.

Marcus Smart notched 21 points (6-15 FG, 4-10 3Pt, 5-5 FT), three rebounds and seven assists over 42 minutes during Sunday's 116-115 overtime loss to Philadelphia in Game 4 of the Eastern Conference Semifinals.

Marcus Smart (ankle) is available for Sunday's Game 4 versus Philadelphia, Keith Smith of Spotrac.com reports.

Marcus Smart is questionable for Sunday's Game 4 versus Philadelphia due to a sprained left ankle, Keith Smith of Spotrac.com reports.

Marcus Smart, who shook off a shoulder stinger and lip laceration, finished with 15 points (7-14 FG, 1-4 3Pt), five rebounds, two assists and one block over 27 minutes during Wednesday's 121-87 victory over the 76ers in Game 2 of the Eastern Conference Semifinals.

Marcus Smart is available to return to Wednesday's game versus the 76ers despite a right shoulder stinger and lip laceration.

Marcus Smart (chest) has officially been upgraded to available for Wednesday's Game 2 versus Philadelphia.

Marcus Smart (chest) is expected to play in Wednesday's Game 2 versus Philadelphia, Jay King of The Athletic reports.

Marcus Smart is questionable for Wednesday's Game 2 against the 76ers due to a chest contusion, Marc D'Amico of the Celtics' official site reports.

Marcus Smart (back) provided 19 points (8-14 FG, 3-8 3Pt), four rebounds and four assists in 29 minutes during Sunday's 129-121 victory over the Hawks in Game 4 of the Eastern Conference Quarterfinals.

Marcus Smart (back) will play in Sunday's Game 4 against Atlanta, Souichi Terada of The Springfield Republican reports.

Marcus Smart (back) participated in Boston's morning shootaround ahead of Sunday's Game 4 against the Hawks, Bobby Manning of Boston Sports Journal reports.