"A lot of guys are going to rely on that," Sweeney said.The afternoon start also could be a factor.
"I think the biggest thing on our hitters' minds is that hopefully it's not sunny, so there's no shadow," Sweeney said.
SF: RHP Matt Cain (2-6, 3.31 ERA)
Cain turned in a worthy performance in his last outing, but as is usually the case for him, the Giants struggled offensively. Cain has received two or fewer runs of support in eight of his 13 starts. He received none in his last start against Oakland, when he threw seven spectacular shutout innings before giving up Marco Scutaro's eighth-inning homer.
Matsuzaka has lost his past three starts, but that isn't indicative of the way he's pitched. In fact, he yielded a total of four runs over 13 innings in his last two outings. He lost to Randy Johnson in his last start, giving up two runs in six innings while striking out nine on Sunday. Matsuzaka has taken some lumps at Fenway Park this season, where he's 3-2 with a 5.62 ERA. Player to watch
Barry Bonds loves a challenge. He'll certainly receive a challenge against Matsuzaka, who has limited left-handed batters to a .241 batting average. Tickets
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Sunday: Giants (Matt Morris, 7-3, 2.56) at Red Sox (Tim Wakefield, 6-7, 3.92), 11:05 a.m. PT
Monday: Giants (Noah Lowry, 6-5, 3.46) at Brewers (Yovani Gallardo, MLB debut), 5:05 p.m. PT
Tuesday: Giants (Tim Lincecum, 2-1, 5.25) at Brewers (Ben Sheets, 7-3, 3.31), 5:05 p.m. PT
Chris Haft is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.