Ja Morant revealed he was playing through injuries in the last four seeding games and the play-in tournament.
Morant and the Grizzlies lost to the Portland Trail Blazers in the first-ever play-in tournament (122-126) and will not play in the playoffs.
Morant, who finished the game with 35 points, four rebounds and eight assists, told reporters he was playing with a fractured thumb in the last four seeding games at Disney World.
For their part, the Blazers clinched their playoff spot and will now face the Los Angeles Lakers,