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Kristaps Porzingis (left posterior tibialis dislocation) did not play in Friday’s 122-84 loss to the Mavericks.

Advice: Porzingis was cleared to play after sitting out Game 3. However, Celtics coach Joe Mazzulla said during his pregame availability that he would only play in “very specific instances,” so the chances of KP seeing action were slim. With Game 4 getting out of hand by the end of the first quarter, there was no reason for Mazzulla to consider inserting Porzingis. Game 5 is on Monday night, with Porzingis’ availability impacting Al Horford and Xavier Tillman if he’s allowed to play. Rotoworld Friday, 8:30 pm

Kristaps Porzingis (left posterior tibialis dislocation) is available for Friday’s game against the Mavericks.

Advice: After injuring his left leg during the third quarter of Game 2, Porzingis sat out Wednesday’s Game 3 victory. While his return given the Celtics another option in the frontcourt, DFS players should steer clear. During his pregame availability, Celtics coach Joe Mazzulla said he would only use Porzingis in “very specific instances.” Mazzulla did not clarify those situations, but it does not appear that Porzingis will reach his Game 2 threshold of 20-25 minutes. Look for Al Horford to continue to play most of the minutes at center. Rotoworld Friday, 4:07 pm

Kristaps Porzingis (left posterior tibialis dislocation) is questionable for Friday’s game against the Mavericks.

Advice: Porzingis, who did not play in Wednesday’s Game 3 victory, did some individual work during Thursday’s practice in front of the media. He’s listed as questionable on Boston’s initial injury report for Game 4, with Al Horford and Xavier Tillman being the players most impacted by Porzingis’ availability. Horford, the starting center throughout, played 37 minutes on Wednesday, while Tillman was the only other big in the rotation. Tillman played 11 minutes, which isn’t enough time to impact DFS tournaments. Rotoworld Thursday, 3:04 pm

Porzingis (lower leg) was seen shooting around during Thursday's practice, Jay King of The Athletic reports.

Advice: The Celtics have yet to release an official injury report for Game 4 on Friday after Porzingis missed Game 3 with a left posterior tibialis dislocation. While it's still unclear if the 28-year-old big man will be able to suit up, it seems as though he will have at least a chance of playing again in the NBA Finals. If Porzingis is ultimately deemed available, he will likely continue to serve as Boston's backup center behind Al Horford. Rotowire.com Thursday, 1:05 pm

The Celtics have "real doubt" that Porzingis (lower leg) will be able to return to action at any point during the NBA Finals matchup against the Mavericks, Adrian Wojnarowski reported prior to Wednesday's Game 3 on ESPN's NBA Countdown.

Advice: Porzingis was initially labeled questionable for Wednesday's game due to a left posterior tibialis dislocation but wasn't cleared by the Celtics' medical staff ahead of the contest. The 28-year-old voiced his willingness to do whatever it took to play leading up to Wednesday's tilt, but he may not be medically cleared to suit up before the series ends. Porzingis had missed 10 straight games before the NBA Finals with a calf strain that's unrelated to his lower leg injury, but he was a key contributor off the bench in the Celtics' Games 1 and 2 wins. Al Horford should continue to start at center while Luke Kornet, Xavier Tillman and Oshae Brissett are candidates to see action behind Horford. Porzingis should be viewed as questionable, at best, leading up to Friday's Game 4. Rotowire.com Wednesday, 5:06 pm