San Francisco pitchers walked seven, matching their second-most this season, and the Colorado Rockies overcame a three-run deficit to beat the Giants 9-5 on Saturday in the opener of a day-night doubleheader. Thairo Estrada tied a career high with four hits for the Giants (75-73), who began the day one game behind Arizona and Cincinnati for the final NL wild berth, also a half-game back of Miami. Keaton Winn, Ryan Walker (4-3) and Ross Stripling combined for the seven walks, and Rockies pitchers