1999 Major League Baseball Draft Supplemental first round selections Supplemental first round selections

| Pick | Player | Team | Position_ | School |
|---|---|---|---|---|
| 40 | Brad Baker | Boston Red Sox | P | Pioneer Valley Regional HS (Leyden, Massachusetts) |
| 41 | Casey Burns | San Diego Padres | P | University of Richmond |
| 42 | Mike Rosamond | Houston Astros | SS | University of Mississippi |
| 43 | Jimmy Gobble | Kansas City Royals | P | John S. Battle HS (Bristol, Virginia) |
| 44 | Scott Rice | Baltimore Orioles | P | Royal HS (Simi Valley, California) |
| 45 | Rob Purvis | Chicago White Sox | P | Bradley University |
| 46 | Chris Duncan | St. Louis Cardinals | 1B | Canyon del Oro HS (Oro Valley, Arizona) |
| 47 | Mike Mead | Texas Rangers | P | Soddy Daisy HS (Soddy-Daisy, Tennessee) |
| 48 | Casey Fossum | Boston Red Sox | P | Texas A&M University |
| 49 | Mike Bynum | San Diego Padres | P | University of North Carolina |