Manu Ginobili of the San Antonio Spurs scored 23 points and Argentina remained unbeaten with an 81-74 victory over Puerto Rico on Friday night in the Olympic qualifying tournament for the Americas. Luis Scola of the Houston Rockets added 16 points for Argentina (3-0). "It's really great to play in this place with people that encourage you in this way," Ginobili said of Argentina's home-country advantage. Carlos Arroyo, who played with the Boston Celtics, had 24 points for Puerto Rico (3-1). Read more: http://espn.go.com/olympics/basketb...ying-tournament-argentina-defeats-puerto-rico