Zena “Zeke” Upshaw, a rising star for a minor league NBA affiliate of the Detroit Pistons, collapsed and died in March as he played in the final minute of his team’s final game of the season.

His death, and others like it, show the National Basketball Association and its G League teams aren’t prepared to treat sudden cardiac arrest, a condition prevalent among male African-American players, a lawyer for Upshaw’s estate told Bloomberg Law.

It also demonstrates that concussion protocols...