Twitter has a field day with Kemba Walker's flops

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Kemba Walker played a key role in the Celtics' Game 5 win over the Heat. He scored 15 points while serving up an important dose of leadership at halftime.

But that's not exactly what social media focused on Friday night. (For a complete box score, click here.)

The Celtics' guard got Twitter buzzing with a few questionable defensive maneuvers, also known as flops: