The NBA’s decision to fine Memphis Grizzlies guard Ja Morant will lead to more questions about a league-wide celebration.

Unlike athletes in other league sports ... causes a little confusion: skintight arm sleeves, which are often worn on just one arm. Why do NBA and NCAA players seem to favor them?

but Morant retweeted a tweet from Grind City Media's Devin Walker that showed both Hield and Morant making the gesture at each other. Other players across the NBA have made similar gestures after ...