Johnson signed a partially guaranteed one-year deal with the Pistons in September.
The six-time All-Star was out of the NBA last season, but won MVP of the BIG3 League this past summer.
The 38-year-old last played in the NBA during the 2017-18 season, splitting that campaign between the Utah Jazz and Houston Rockets.
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He averaged 6.8 points and shot 40.6% in that season. Johnson was one of the NBA’s top scorers in the late 2000s and early 2010s as a member of the Atlanta Hawks.
The Pistons ended up releasing him.
Now he’s staying ready but casts doubts about a possible return to the league.
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