The 2008 MLS supplemental draft was held on January 24, 2008, six days after the 2008 MLS SuperDraft, as teams filled out their developmental rosters.
| width=7% | Pick # ! | width=28% | MLS team ! | width=22% | Player ! | width=20% | Position ! | Affiliation |
|---|---|---|---|---|---|---|---|---|
| 1 | F | Cal-Santa Cruz | ||||||
| 2 |  Xavier Balc | F | Ohio State | |||||
| 3 | Colorado Rapids | F | Washington | |||||
| 4 | D | Portland | ||||||
| 5 | M | Illinois-Chicago | ||||||
| 6 | GK | Towson University | ||||||
| 7 | M | Rhode Island | ||||||
| 8 | F | Coastal Carolina | ||||||
| 9 | F | San Diego State | ||||||
| 10 | Brandon Owens | D | UCLA | |||||
| 11 | M | Towson University | ||||||
| 12 | M | Messiah College | ||||||
| 13 | D | Virginia | ||||||
| 14 | Johnny Alcaraz | M | UC Santa Barbara Westmont College |
| width=7% | Pick # ! | width=28% | MLS team ! | width=22% | Player ! | width=20% | Position ! | Affiliation |
|---|---|---|---|---|---|---|---|---|
| 15 | Tim Bohnenkamp | F | Creighton | |||||
| 16 | PASS | |||||||
| 17 | F | UC Santa Barbara Bakersfield Brigade | ||||||
| 18 | Charles Alamo | GK | UC Riverside | |||||
| 19 | Mike Graczyk | GK | New Mexico | |||||
| 20 | F | University of Evansville | ||||||
| 21 | M | Stony Brook University | ||||||
| 22 | Yannick Reyering | F | Virginia | |||||
| 23 | Javier Ayala-Hill | F | University of California | |||||
| 24 | M | West Virginia University | ||||||
| 25 | M | Mercer University | ||||||
| 26 | F | Liberty | ||||||
| 27 | M | Trinity | ||||||
| 28 | M | Colorado School of Mines |
No trades reported.
| width=7% | Pick # ! | width=28% | MLS team ! | width=22% | Player ! | width=20% | Position ! | Affiliation |
|---|---|---|---|---|---|---|---|---|
| 29 | Greg Curry | D | UC Santa Barbara Bakersfield Brigade | |||||
| 30 | PASS | |||||||
| 31 | Kevin Reiman | M | Michigan State | |||||
| 32 | Greg Folk | D | UCLA | |||||
| 33 | M | Hartford | ||||||
| 34 | F | University of Rhode Island | ||||||
| 35 | D | Winthrop | ||||||
| 36 | Ben Shuleva | M | SMU | |||||
| 37 |  El-Hadj Cissé | M | North Carolina State | |||||
| 38 | Zola Short | D | Virginia | |||||
| 39 | M | Monmouth University | ||||||
| 40 | M | Duke | ||||||
| 41 |  Saïdi Isaac | F | Winthrop | |||||
| 42 | Kieran Hall | M | Fort Lewis College |
| width=7% | Pick # ! | width=28% | MLS team ! | width=22% | Player ! | width=20% | Position ! | Affiliation |
|---|---|---|---|---|---|---|---|---|
| 43 | Tim Jepson | D | Duke University | |||||
| 44 | PASS | |||||||
| 45 | Kenny Anaba | F | University of Cincinnati | |||||
| 46 | Daniel de Geer | M/F | University of San Francisco | |||||
| 47 | Steve Bode | D | University of Wisconsin–Milwaukee | |||||
| 48 | Tim Conway | M | Nyack College | |||||
| 49 | D/M | Brown University | ||||||
| 50 | PASS | |||||||
| 51 | André Sherard | D | North Carolina | |||||
| 52 | GK | Franklin Pierce | ||||||
| 53 | Andrew Kartunen | GK | Stanford University | |||||
| 54 |  Melford James, Jr. | GK | University of Montevallo | |||||
| 55 | PASS | |||||||
| 56 | James Georgeff | F | Central Florida |