| - | Stan Barrs | IF | A | 5-10 | 160 | Right | Right | 2/14/1966 | 21 | Madison,Florida | 1986 | 1 | 24 | STL |
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| - | Juan Belbru | OF | A+ | 6-1 | 175 | Right | Right | 4/20/1969 | 18 | Catano,Puerto Rico | 1987 | UDFA | | STL |
| - | Alan Biggers | SS | A | 5-8 | 163 | Both | Right | 12/16/1967 | 19 | Memphis,Tennessee | 1987 | 12 | 305 | STL |
| - | Rod Brewer | 1B-OF | MLB | 6-3 | 210 | Left | Left | 2/24/1966 | 21 | Eustis,Florida | 1987 | 5 | 124 | STL |
| - | Lorenzo Calzado | 1B | A | 6-2 | 170 | Right | Right | 9/5/1968 | 18 | Boca Chica,Dominican Republic | 1990 | UDFA | | STL |
| - | Greg Carmona | SS | AAA | 6-0 | 150 | Both | Right | 5/9/1968 | 19 | Bani,Dominican Republic | 1987 | UDFA | | STL |
| - | Ed Fulton | OF | AAA | 6-0 | 195 | Left | Right | 1/7/1966 | 21 | Danville,Virginia | 1987 | 16 | 409 | STL |
| - | Jean-Paul Gentleman | SS | A | 5-10 | 170 | Right | Right | 10/27/1966 | 20 | Germantown,Tennessee | 1987 | 15 | 383 | STL |
| - | James Gibbs | P-DH | A | 6-0 | 185 | Right | Right | 10/8/1967 | 19 | Tipton,Indiana | 1984 | 15 | 318 | MTL |
| - | Shawn Hathaway | P | A+ | 6-4 | 200 | Left | Right | 10/6/1964 | 22 | Moscow,Idaho | 1987 | 22 | 565 | STL |
| - | Hal Hempen | | A | | | | | | - | | 1987 | UDFA | | STL |
| - | Dan Hitt | P | A+ | | | | | | - | | 1987 | 31 | 799 | STL |
| - | Clint Horsley | P | A | | | | | | - | | 1987 | 29 | 747 | STL |
| - | Kris Huffman | SS | A | 6-0 | 180 | Both | Right | | - | Salisbury,North Carolina | 1987 | 20 | 513 | STL |
| - | Ryan Johnston | | A | | | | | | - | | 1987 | 40 | 1011 | STL |
| - | Ray Lankford | LF | MLB | 5-11 | 200 | Left | Left | 6/5/1967 | 20 | Modesto,California | 1987 | 3 | 72 | STL |
| - | Lonnie Maclin | OF | MLB | 5-11 | 185 | Left | Left | 2/17/1967 | 20 | Clayton,Missouri | 1986 | 10 | 250 | CIN |
| - | Francis Martinez | P | AAA | 6-2 | 174 | Right | Right | 4/24/1968 | 19 | Santiago,Dominican Republic | 1987 | UDFA | | STL |
| - | Kevin Maxey | | A+ | | | | | | - | | 1987 | UDFA | | STL |
| - | Larry Pierson | P | AA | 6-1 | 190 | Right | Right | 2/10/1965 | 22 | St. Louis,Missouri | 1987 | 35 | 899 | STL |
| - | Timothy Pulliam | | RK | | | | | | - | | 1987 | UDFA | | STL |
| - | Francisco Rosario | | A | | | | | | - | | 1986 | UDFA | | STL |
| - | Ken Sebree | P | RK | 6-1 | 185 | Right | Right | 1965 | 22 | Rockledge,Florida | 1987 | 13 | 331 | STL |
| - | Tim Sherrill | P | MLB | 5-11 | 170 | Left | Left | 9/10/1965 | 21 | Harrison,Arkansas | 1987 | 18 | 461 | STL |
| - | Ken Smith | P | AA | | | | | | - | | 1987 | 30 | 773 | STL |
| - | Dean Weese | P | AA | 6-1 | 190 | Right | Right | 3/25/1965 | 22 | Quartz Hill,California | 1987 | 7 | 176 | STL |