Devin Booker scored 20 of his 36 points in Phoenix's 47-point first quarter and the Suns beat the NBA-leading Milwaukee Bucks 140-131 on Sunday night, The Bucks played without MVP Giannis Antetokounmpo because of a minor knee sprain. Injured Friday night in a loss at the Los Angeles Lakers, he'll also sit out Monday night at Denver. Ricky Rubio had a triple-double for the Suns with 25 points, 13 assists and 13 rebounds, becoming the first Suns player since Steve Nash on March 30, 2005, with at least a dozen points, assists and rebounds.