2017 Stanford Cardinal K.J. Costello #3 Passing Split Stats through 01/08/2018
| Split | G | Att | Comp | Pct. | Yards | Yards/Att | TD | Int | Rating | Att/G | Yards/G |
|---|---|---|---|---|---|---|---|---|---|---|---|
| All Games | 11 | 211 | 124 | 58.8 | 1573 | 7.5 | 14 | 4 | 139.50 | 19.2 | 143.0 |
| at Home | 6 | 124 | 80 | 64.5 | 927 | 7.5 | 9 | 1 | 149.66 | 20.7 | 154.5 |
| on Road/Neutral Site | 5 | 87 | 44 | 50.6 | 646 | 7.4 | 5 | 3 | 125.02 | 17.4 | 129.2 |
| in Wins | 8 | 142 | 90 | 63.4 | 1064 | 7.5 | 9 | 1 | 145.83 | 17.8 | 133.0 |
| in Losses | 3 | 69 | 34 | 49.3 | 509 | 7.4 | 5 | 3 | 126.46 | 23.0 | 169.7 |
| vs. Conference | 8 | 153 | 90 | 58.8 | 1105 | 7.2 | 7 | 2 | 131.97 | 19.1 | 138.1 |
| vs. Non-Conference | 3 | 58 | 34 | 58.6 | 468 | 8.1 | 7 | 2 | 159.33 | 19.3 | 156.0 |
| vs. Ranked (AP) | 4 | 98 | 55 | 56.1 | 791 | 8.1 | 9 | 2 | 150.15 | 24.5 | 197.8 |
| vs. Unranked (AP) | 7 | 113 | 69 | 61.1 | 782 | 6.9 | 5 | 2 | 130.25 | 16.1 | 111.7 |
| vs. FBS (I-A) | 11 | 211 | 124 | 58.8 | 1573 | 7.5 | 14 | 4 | 139.50 | 19.2 | 143.0 |
| vs. FCS (I-AA) | 0 | 0 | 0 | - | 0 | - | 0 | 0 | - | - | - |
| vs. FBS Winning | 8 | 157 | 89 | 56.7 | 1185 | 7.5 | 11 | 3 | 139.39 | 19.6 | 148.1 |
| vs. FBS Non-Winning | 3 | 54 | 35 | 64.8 | 388 | 7.2 | 3 | 1 | 139.80 | 18.0 | 129.3 |
| vs. FBS Power 5 | 9 | 180 | 105 | 58.3 | 1317 | 7.3 | 10 | 4 | 133.68 | 20.0 | 146.3 |
| vs. FBS non-Power 5 | 2 | 31 | 19 | 61.3 | 256 | 8.3 | 4 | 0 | 173.24 | 15.5 | 128.0 |
| in August/September | 3 | 52 | 33 | 63.5 | 376 | 7.2 | 3 | 0 | 143.24 | 17.3 | 125.3 |
| in October | 2 | 15 | 10 | 66.7 | 116 | 7.7 | 1 | 0 | 153.63 | 7.5 | 58.0 |
| in November | 4 | 95 | 56 | 58.9 | 677 | 7.1 | 5 | 2 | 131.97 | 23.8 | 169.3 |
| in December/January | 2 | 49 | 25 | 51.0 | 404 | 8.2 | 5 | 2 | 145.79 | 24.5 | 202.0 |