For his pro baseball career, Giambi has drilled 52 baseballs out of the park while knocking in 211 runs. Over the course of his pro career, he came to bat 1,728 times and has delivered with a base knock 375 times. He is sitting with a career slugging percentage of -.010 and he has totaled 613 bases. He has fanned 363 times and has gotten a free base on 255 occasions, contributing to a .376 on-base %. Giambi has an average at the plate of .261 for his baseball career with 220 scored runs and an OPS of .366.
So far this year, Giambi is sitting with 1 runs, recorded 2 runs batted in and has 0 home runs. He has earned a free base 4 times and has recorded an on-base percentage of .304. Giambi has 3 hits out of 19 at-bats for a batting average of .158. He has gone down swinging 7 times while having 4 bases in total. He has an OPS of 0.515 as well as a slugging percentage of .211.
| Year | Team | BA | HR | H | BB | R | RBI | OBP | PA | AB | OPS | OPS+ | 2B | 3B | G | SLG | SB | CS | TB | SO |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Career | .263 | 52 | 372 | 251 | 219 | 209 | .377 | 1,705 | 1,417 | .807 | 111 | 75 | 3 | 510 | .430 | 1 | 3 | 609 | 356 | |
| 2003 | BOS | .197 | 5 | 25 | 26 | 15 | 15 | .342 | 156 | 127 | .696 | 81 | 5 | 0 | 50 | .354 | 1 | 0 | 45 | 42 |
| 2002 | TOT | .259 | 20 | 81 | 79 | 58 | 45 | .414 | 398 | 313 | .919 | 147 | 17 | 0 | 124 | .505 | 0 | 1 | 158 | 94 |
| 2002 | OAK | .274 | 8 | 43 | 27 | 26 | 17 | .390 | 187 | 157 | .862 | 131 | 7 | 0 | 42 | .471 | 0 | 0 | 74 | 40 |
| 2002 | PHI | .244 | 12 | 38 | 52 | 32 | 28 | .435 | 211 | 156 | .974 | 162 | 10 | 0 | 82 | .538 | 0 | 1 | 84 | 54 |
| 2001 | OAK | .283 | 12 | 105 | 63 | 64 | 57 | .391 | 443 | 371 | .841 | 124 | 26 | 0 | 124 | .450 | 0 | 1 | 167 | 83 |
| 2000 | OAK | .254 | 10 | 66 | 32 | 42 | 50 | .338 | 302 | 260 | .761 | 95 | 10 | 2 | 104 | .423 | 0 | 0 | 110 | 61 |
| 1999 | KCR | .285 | 3 | 82 | 40 | 34 | 34 | .373 | 336 | 288 | .741 | 90 | 13 | 1 | 90 | .368 | 0 | 0 | 106 | 67 |
| 1998 | KCR | .224 | 2 | 13 | 11 | 6 | 8 | .343 | 70 | 58 | .739 | 92 | 4 | 0 | 18 | .397 | 0 | 1 | 23 | 9 |