| Year | Team | G | AB | H | HR | RBI | SB | BB | K | AVG | OBP | SLG | OPS |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2006 | San Francisco Giants | 12 | 24 | 7 | 0 | 4 | 0 | 1 | 6 | .292 | .320 | .500 |
| .820 |
| 2008 | San Francisco Giants | 33 | 95 | 26 | 3 | 15 | 1 | 9 | 27 | .274 | .337 | .432 | .769 |
| 2009 | San Francisco Giants | 120 | 326 | 85 | 9 | 39 | 2 | 30 | 89 | .261 | .329 | .387 | .716 |
| 2010 | San Francisco Giants | 116 | 158 | 42 | 3 | 22 | 0 | 13 | 29 | .266 | .320 | .392 | .712 |
| 2012 | Milwaukee Brewers | 94 | 152 | 39 | 4 | 30 | 0 | 13 | 42 | .257 | .329 | .428 | .757 |
| 2013 | Baltimore Orioles | 6 | 17 | 2 | 0 | 1 | 0 | 1 | 8 | .118 | .167 | .118 | .285 |
| 2013 | New York Yankees | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | .000 | .000 | .000 | .000 |
| 2013 | 7 | 19 | 2 | 0 | 1 | 0 | 1 | 10 | .105 | .150 | .105 | .255 |
| 2014 | Pittsburgh Pirates | 15 | 34 | 7 | 1 | 3 | 0 | 3 | 11 | .206 | .263 | .382 | .645 |
| 2014 | San Francisco Giants | 47 | 73 | 20 | 2 | 15 | 0 | 6 | 23 | .274 | .333 | .397 | .730 |
| 2014 | 62 | 107 | 27 | 3 | 18 | 0 | 9 | 34 | .252 | .311 | .393 | .704 |
| 2015 | San Francisco Giants | 6 | 5 | 0 | 0 | 0 | 0 | 1 | 3 | .000 | .167 | .000 | .167 |
| 2015 | Pittsburgh Pirates | 38 | 58 | 13 | 1 | 8 | 0 | 8 | 17 | .224 | .318 | .328 | .646 |
| 2015 | 44 | 63 | 13 | 1 | 8 | 0 | 9 | 20 | .206 | .306 | .302 | .608 |
| Career | — | 488 | 944 | 241 | 23 | 137 | 3 | 85 | 257 | .255 | .321 | .391 | .712 |
