UPDATE (4:53pm PT): The Giants scratched Joe Panik with concussion symptoms, according to Giants Insider Alex Pavlovic.
The Giants dropped the first game of this year's Bay Bridge Series, and now will be without All-Star second baseman Joe Panik.
Bob Melvin and Bruce Bochy have issued their lineup cards for Game 2.
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Oakland A's (33-43)
1. Coco Crisp (S) CF
2. Jed Lowrie (S) 2B
3. Josh Reddick (L) RF
4. Danny Valencia (R) 3B
5. Khris Davis (R) LF
6. Stephen Vogt (L) C
7. Marcus Semien (R) SS
8. Yonder Alonso (L) 1B
9. Kendall Graveman (R) P
San Francisco Giants (49-29)
1. Denard Span (L) CF
2. Angel Pagan (S) LF
3. Brandon Belt (L) 1B
4. Buster Posey (R) C
5. Brandon Crawford (L) SS
6. Mac Williamson (R) RF
7. Ramiro Pena (S) 2B
8. Conor Gillaspie (L) 3B
9. Albert Suarez (R) P
