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The first day of a "groups" day at the NFL combine generally will consist of weight, height, and other various measurements. With defensive lineman there are different things you look for depending on their position and what you'd like them to do. For your interior lineman you want them to be around the 300 pound mark, but if they're bigger than that you want to consider how it's carried. For defensive ends, you want height and long arms to be able to disrupt passing lanes.
Below are the results for the 2013 wide receivers at the NFL combine:
| Player | School | Height | Weight | Arm |
| Ezekiel Ansah | Brigham Young | 6-5 | 271 | 35.18 |
| T.J. Barnes | Georgia Tech | 6-6 | 369 | 34.78 |
| David Bass | Missouri Western State | 6-4 | 262 | 33.48 |
| Josh Boyd | Mississippi State | 6-3 | 310 | 32.08 |
| Armonty Bryant | East Central | 6-4 | 263 | 35.68 |
| Mike Buchanan | Illinois | 6-5 | 255 | 34.08 |
| Tank Carradine | Florida State | 6-4 | 276 | 34.68 |
| Everett Dawkins | Florida State | 6-2 | 292 | 32.68 |
| Quinton Dial | Alabama | 6-5 | 318 | 34.48 |
| Lavar Edwards | LSU | 6-4 | 277 | 35.48 |
| Sharrif Floyd | Florida | 6-3 | 297 | 31.68 |
| Kwame Geathers | Georgia | 6-5 | 342 | 35.28 |
| William Gholston | Michigan State | 6-6 | 281 | 34.08 |
| Malliciah Goodman | Clemson | 6-4 | 276 | 36.38 |
| Cory Grissom | South Florida | 6-1 | 306 | 33.28 |
| Johnathan Hankins | Ohio State | 6-3 | 320 | 33.08 |
| Jordan Hill | Penn State | 6-1 | 303 | 33.48 |
| Montori Hughes | Tenn-Martin | 6-4 | 329 | 32.58 |
| Margus Hunt | SMU | 6-8 | 277 | 33.68 |
| Brandon Jenkins | Florida State | 6-2 | 251 | 33.28 |
| John Jenkins | Georgia | 6-4 | 359 | 34.08 |
| Abry Jones | Georgia | 6-3 | 313 | 35.08 |
| Chris Jones | Bowling Green | 6-2 | 302 | 32.68 |
| Datone Jones | UCLA | 6-4 | 283 | 32.68 |
| Dion Jordan | Oregon | 6-6 | 248 | 33.78 |
| Joe Kruger | Utah | 6-6 | 269 | 34.38 |
| Corey Lemonier | Auburn | 6-3 | 255 | 34.48 |
| Kapron Lewis-Moore | Notre Dame | 6-4 | 298 | 33.58 |
| Bennie Logan | LSU | 6-2 | 309 | 34.08 |
| Star Lotulelei | Utah | 6-3 | 311 | 33.58 |
| Stansly Maponga | Texas Christian | 6-2 | 256 | 34.18 |
| Stacy Mcgee | Oklahoma | 6-3 | 308 | 34.48 |
| Barkevious Mingo | LSU | 6-4 | 241 | 33.68 |
| Sam Montgomery | LSU | 6-3 | 262 | 33.78 |
| Damontre Moore | Texas A&M | 6-5 | 250 | 34.68 |
| Alex Okafor | Texas | 6-5 | 264 | 33.78 |
| Ty Powell | Harding | 6-2 | 249 | 32.48 |
| Sheldon Richardson | Missouri | 6-3 | 294 | 34.48 |
| Kawann Short | Purdue | 6-3 | 299 | 34.68 |
| John Simon | Ohio State | 6-1 | 257 | 33.28 |
| Jared Smith | New Hampshire | 6-3 | 302 | 33.48 |
| Quanterus Smith | Western Kentucky | 6-5 | 250 | 33.28 |
| Akeem Spence | Illinois | 6-1 | 307 | 33.48 |
| Damion Square | Alabama | 6-2 | 293 | 32.18 |
| Walter Stewart | Cincinnati | 6-4 | 246 | 33.08 |
| Devin Taylor | South Carolina | 6-7 | 266 | 36.08 |
| Bjoern Werner | Florida State | 6-3 | 266 | 33.28 |
| Brandon Williams | Missouri Southern State | 6-1 | 335 | 32.58 |
| Jesse Williams | Alabama | 6-3 | 323 | 32.08 |
| Nate Williams | Ohio State | 6-3 | 241 | 30.58 |
| Nick Williams | Samford | 6-4 | 309 | 34.18 |
| Sylvester Williams | North Carolina | 6-3 | 313 | 33.48 |
| Tourek Williams | Florida Int. | 6-3 | 260 | 32.48 |
| Trevardo Williams | Connecticut | 6-3 | 241 | 32.28 |