Isaiah Thomas: 'I do everything for my sister now'

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Isaiah Thomas is honoring his sister through basketball.

The Boston Celtics point guard led his club to a 123-111 victory over the Washington Wizards in Game 1 of the East semifinals on Sunday - just a day after attending his sister Chyna's funeral.

The All-Star put up a game-high 33 points to go along with nine assists as his team overcame a sizeable first-half deficit to win big.

"Basketball, when I'm on the court, it just keeps me going," he said in his walk-off interview. "I do everything for my sister now, and that's all I can do."

Related: Sister's death made Thomas want to 'give up and quit'

He hasn't missed a game since his younger sister was killed in a car crash on April 15.

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Isaiah Thomas: 'I do everything for my sister now'
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