Rookie Hayden Birdsong combined with four relievers on a four-hitter as the San Francisco Giants completed a doubleheader sweep over the visiting Colorado Rockies with a 5–0 victory on Saturday night.
Birdsong (3–0), Sean Hjelle, Taylor Rogers, Erik Miller and Spencer Bivens combined for 13 strikeouts after Blake Snell and three relievers teamed for 17 in a 4–1 win in the opener.
