As a point of reference, I found this chart setting forth average % bodyfat of NFL prospects. It’s a bid dated but I doubt the relevant data have changed much. As you would expect, there is wide variation by position, but very few are coming in around 10%.
2006 – 2013 NFL Combine testing (BodPod)
| Position | # of Players | % Fat Average | Body Weight Average (lb) | Lean Mass (lb) | Avgerage Height |
|---|---|---|---|---|---|
| DB | 463 | 9.7 | 199.8 | 180.4 | 6’0″ |
| WO | 360 | 9.4 | 202.6 | 183.6 | 6’1″ |
| LB | 270 | 13.5 | 239.3 | 206.9 | 6’2″ |
| TE | 147 | 14.2 | 252.6 | 216.73 | 6’4″ |
| RB | 263 | 11.8 | 217.1 | 191.5 | 5’11” |
| QB | 159 | 14.3 | 223.4 | 191.5 | 6’3″ |
| DL | 445 | 19.4 | 283.2 | 228.3 | 6’4″ |
| OL | 420 | 24.6 | 313.0 | 236.0 | 6’5″ |
| PK | 86 | 15.9 | 206.6 | 173.8 | No Data |
| ST | 15 | 20.2 | 242.6 | 193.6 | No Data |