Lakers def Grizzlies, Ja Morant injury, Heat def Buck, Giannis Antetokounmpo injury; Clippers def Suns, scores, results, video

Milwaukee superstar Giannis Antetokounmpo and Memphis star guard Ja Morant suffered serious injuries that threatened to disrupt two title contenders on Sunday in NBA playoff series-opening defeats.

The Los Angeles Lakers took advantage of Morant’s absence late in the fourth quarter for a late surge that produced a 128-112 victory at Memphis while the top-seeded host Bucks, who lost their Greek star in the first quarter, fell 130-117 to the eighth-seeded Miami Heat.

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But injury fears for Antetokounmpo and Morant, two of the NBA’s most electrifying stars, were amplified by upset home losses for their clubs in best-of-seven first round openers.

Antetokounmpo averaged…