Roddick lifts US past Chile to Davis Cup quarters

SANTIAGO, Chile (AP) — Andy Roddick showed why he's the go-to guy when the United States needs to close out a Davis Cup tie.

Roddick defeated Paul Capdeville 3-6, 7-6 (2), 6-3, 6-3 Sunday, giving the United States an insurmountable 3-1 lead in its 4-1 victory over Chile in the first-round Davis Cup World Group series.

Roddick improved 12-0 in matches that can clinch a Davis Cup matchup for the U.S. and is 33-11 overall in 24 ties since 2001.

"It's always sweet, and every time you clinch one you think it's the sweetest," Roddick said. "I think it's also pretty satisfactory when everything is stacked against you — you got the (clay) court, the crowd. It's a mental grind …