NEW YORK — Madison Bumgarner pitched seven neat innings, Pablo Sandoval homered to match a team mark set by Willie Mays and the San Francisco Giants beat the New York Mets 7-2 Monday night for a doubleheader sweep.

The Giants took the opener 6-1 as Tim Lincecum posted his first win of the season despite another uneven performance.

Slightly over 1,000 fans bundled up in the stands when the opener began on a windy, raw afternoon better suited for the Bay Area. The crowd later picked up, but Citi Field was nearly empty for the final out. A rainout Sunday forced the twinbill.

Sandoval hit a three-run homer in the first inning to back Bumgarner. The burly slugger has a 16-game hitting streak, tying the San Francisco record at the start of a season set by Mays in 1960, STATS LLC said.