As the Dallas Mavericks deal with injuries to top stars like Kyrie Irving, another key player who is dealing with the issue is rookie Cooper Flagg. The Mavericks rookie was seen wearing the boots while attending a Duke basketball game in Flagg, the latest reporting detailing his outlook on his injury.
According to NBA insider Mark Stein, Flagg is wearing a boot because MRI results revealed a sprain in the middle of his left foot, with the diagnosis of which, Dallas “feels fortunate.” Despite not knowing the timeline for his return, the team ‘seems to be in relief’ from a left medial sprain, as it could have been worse.
“Cooper Flagg was seen with a boot on his left foot at Duke’s home game against Clemson on Saturday, but league sources tell The Stein Line that Dallas feels fortunate that Flagg’s MRI results last week revealed only a left foot sprain,” Stein wrote on Monday. “It is still not known exactly how long the 19-year-old will be sidelined, but the Mavericks are relieved that the injury is not more serious.”
Cooper Flagg is in attendance for today’s Duke game. He is wearing a boot because of a sprain in the middle of his left foot. pic.twitter.com/TX5G0FGIFY
– Mike Curtis (@MikeACurtis2) 14 February 2026
Mavericks have “big concern” over Cooper Flagg’s injury

While Flagg had to miss representing the Mavericks during All-Star weekend, it can’t be ruled out that the team will take it with caution, as he is the player who will be drafted for the foreseeable future. As Steen says, the “big concern” for Dallas is the “care” of the 19-year-old, with the team having lost nine straight games heading into the All-Star break, leading to a 19-35 record at the moment.
Stein wrote, “The bigger concern for the Mavericks – of course, that the injury not get worse – is taking care of Flagg during their ongoing losing season of 19-35.” “Dallas has lost nine consecutive games, which is certainly the longest losing streak in Flagg’s basketball career and certainly the franchise’s longest losing streak since a 15-gamer stretch in 1997–98.”
At any rate, it remains to be seen when the flag returns, as the Mavericks are in 12th place in the Western Conference, with their first game after the break on Friday night against the Minnesota Timberwolves.
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