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08/26/09 1:09 AM ET

Family concern on Drew's mind

Arizona (55-71) at San Francisco (68-58), 7:15 p.m. MST

SAN FRANCISCO -- Stephen Drew rejoined his teammates in San Francisco on Tuesday, but the shortstop is a phone call away from going back to Georgia.

Drew's wife, Laura, is expecting and has experienced some complications. Drew left the team after Friday night's game to be with her and returned in time to be in Tuesday's starting lineup.

"Family is first for me, always," Drew said. "It's just one of those things where it's unknown and we're just hoping for the best."

If Laura has any further problems, Drew may have to once again leave. Laura has the cell phone number of head athletic trainer Ken Crenshaw should she need to get word to Drew during a game.

"I just hope I don't get that phone call," he said.

While he obviously would rather be at home with Laura, Drew said his focus will be on playing when it needs to be.

"It's my job," he said. "When it's time to hit the field, I'm going to be ready to play. After the game, when the game is over, what's going on at home is going to come back to me. The nine innings or whatever, I just have to stay focused."

Pitching matchup
ARI: LHP Doug Davis (7-11, 3.77 ERA)
Davis struggled against the Phillies in his last outing, hurt by walks, poor defense behind him and a few big extra-base hits. He surrendered six runs (five earned) in five innings, and it could have been worse had he not stranded the bases loaded in the fourth. Before Thursday, though, Davis had been on a roll, allowing just eight earned runs in 32 innings (2.25 ERA) over his prior five starts, all D-backs wins.

SF: LHP Jonathan Sanchez (6-10, 4.30 ERA)
In case no one has noticed, Sanchez is on a roll. In his last start, Sanchez struck out eight in five innings and allowed just one unearned run, even though he was pitching without fastball command. Instead, the lefty relied on his slider to record his punchouts. Sanchez has won four of his past six decisions and has a 2.90 ERA since he was reinserted into the rotation. However, Sanchez owns a career 2-6 record with a 5.70 ERA against the D-backs.

D-backs manager A.J. Hinch was in attendance for outfielder Justin Upton's first injury-rehab game for Class A Visalia. The Rawhide were in nearby San Jose, playing the Giants' affiliate. Upton, who has a strained right oblique, was 0-for-3 with a walk and a pair of strikeouts. Hinch was encouraged when he saw Upton steal second after drawing a walk. It was on a stolen-base attempt earlier this month that Upton injured the oblique. Initially, Hinch hoped Upton would need just a couple of games before he would be ready to rejoin the team and he said nothing he saw Monday changed that. "I just want him to be able to go all out and have no reservations," Hinch said, adding that Upton looked a little "rusty." ... The D-backs have changed the game time for Saturday's contest against the Astros from 1:10 p.m. MST to 5:10 p.m.. It will be televised by FOX Sports Arizona.

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On the Internet
 Gameday Audio
•  Gameday
•  Official game notes

On television
• FS-A

On radio
• KTAR 620, KSUN 1400 (Español)

Up next
• Thursday: Diamondbacks (Yusmeiro Petit, 2-8, 6.06) at Giants (Joe Martinez, 3-1, 5.73), 7:15 p.m. MST
• Friday: Diamondbacks (Max Scherzer, 7-8, 4.12) vs. Astros (Bud Norris, 3-2, 5.86), 6:40 p.m. MST
• Saturday: Diamondbacks (Jon Garland, 7-11, 4.48) vs. Astros (TBD), 5:10 p.m. MST

Steve Gilbert is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.