| 47 | Joaquin Andujar | P | MLB | 6-0 | 180 | Both | Right | 12/21/1952 | 28 | San Pedro de Macoris,Dominican Republic | 1969 | UDFA | | CIN |
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| 14 | Alan Ashby | C | MLB | 6-2 | 190 | Both | Right | 7/8/1951 | 29 | Long Beach,California | 1969 | 3 | 63 | CLE |
| 16 | Dave Bergman | 1B | MLB | 6-2 | 190 | Left | Left | 6/6/1953 | 28 | Evanston,Illinois | 1974 | 2 | 36 | NYY |
| 28 | Cesar Cedeno | OF | MLB | 6-2 | 190 | Right | Right | 2/25/1951 | 30 | Santo Domingo,Dominican Republic | 1967 | UDFA | | HOU |
| 25 | Jose Cruz | OF-CF | MLB | 6-0 | 175 | Left | Left | 8/8/1947 | 33 | Arroyo,Puerto Rico | 1967 | UDFA | | STL |
| 23 | Kiko Garcia | SS-2B | MLB | 5-11 | 180 | Right | Right | 10/14/1953 | 27 | Martinez,California | 1971 | 3 | 69 | BAL |
| 3 | Phil Garner | 2B-3B | MLB | 5-10 | 177 | Right | Right | 4/30/1949 | 32 | Jefferson City,Tennessee | 1971 | 1 | 2 | OAK |
| 24 | Danny Heep | OF-1B | MLB | 5-11 | 177 | Left | Left | 7/3/1957 | 23 | San Antonio,Texas | 1978 | 2 | 37 | HOU |
| 18 | Art Howe | 3B-2B | MLB | 6-2 | 190 | Right | Right | 12/15/1946 | 34 | Pittsburgh,Pennsylvania | 1971 | UDFA | | PIT |
| 15 | Mike Ivie | 1B | MLB | 6-3 | 205 | Right | Right | 8/8/1952 | 28 | Atlanta,Georgia | 1970 | 1 | 1 | SD |
| 39 | Bob Knepper | P | MLB | 6-2 | 210 | Left | Left | 5/25/1954 | 27 | Akron,Ohio | 1972 | 2 | 43 | SF |
| 11 | Alan Knicely | C-OF | MLB | 6-0 | 194 | Right | Right | 5/19/1955 | 26 | Harrisonburg,Virginia | 1974 | 3 | 63 | HOU |
| 31 | Frank LaCorte | P | MLB | 6-1 | 180 | Right | Right | 10/13/1951 | 29 | San Jose,California | 1973 | UDFA | | ATL |
| 17 | Rafael Landestoy | 2B-SS | MLB | 5-10 | 165 | Both | Right | 5/28/1953 | 28 | Bani,Dominican Republic | 1972 | UDFA | | LAD |
| 30 | Jeff Leonard | OF-LF | MLB | 6-2 | 200 | Right | Right | 9/22/1955 | 25 | Philadelphia,Pennsylvania | 1973 | UDFA | | LAD |
| 26 | Scott Loucks | OF | MLB | 6-0 | 178 | Right | Right | 11/11/1956 | 24 | Anchorage,Alaska | 1977 | 5 | 118 | HOU |
| 36 | Joe Niekro | P | MLB | 6-1 | 190 | Right | Right | 11/7/1944 | 36 | Martins Ferry,Ohio | 1966 | 7 | 84 | CLE |
| 1 | Bert Pena | SS | MLB | 5-11 | 165 | Right | Right | 7/11/1959 | 21 | Santurce,Puerto Rico | 1977 | UDFA | | HOU |
| 9 | Joe Pittman | 2B-SS | MLB | 6-1 | 180 | Right | Right | 1/1/1954 | 27 | Houston,Texas | 1975 | 5 | 110 | HOU |
| 26 | Gordie Pladson | P | MLB | 6-4 | 210 | Right | Right | 7/31/1956 | 24 | New Westminster,British Columbia | 1973 | UDFA | | HOU |
| 21 | Terry Puhl | OF | MLB | 6-2 | 200 | Left | Right | 7/8/1956 | 24 | Melville,Saskatchewan | 1973 | UDFA | | HOU |
| 6 | Luis Pujols | C | MLB | 6-1 | 195 | Right | Right | 11/18/1955 | 25 | Santiago,Dominican Republic | 1973 | UDFA | | HOU |
| 12 | Craig Reynolds | SS | MLB | 6-1 | 175 | Left | Right | 12/27/1952 | 28 | Houston,Texas | 1971 | 1 | 22 | PIT |
| 8 | Dave Roberts | 3B-C | MLB | 6-3 | 215 | Right | Right | 2/17/1951 | 30 | Lebanon,Oregon | 1972 | 1 | 1 | SD |
| 48 | Vern Ruhle | P | MLB | 6-1 | 187 | Right | Right | 1/25/1951 | 30 | Coleman,Michigan | 1972 | 17 | 404 | DET |
| 34 | Nolan Ryan | P | MLB | 6-2 | 195 | Right | Right | 1/31/1947 | 34 | Refugio,Texas | 1965 | 12 | 226 | NYM |
| 35 | Joe Sambito | P | MLB | 6-1 | 190 | Left | Left | 6/28/1952 | 29 | Brooklyn,New York | 1973 | 17 | 404 | HOU |
| 30 | Tony Scott | OF | MLB | 6-0 | 175 | Both | Right | 9/18/1951 | 29 | Cincinnati,Ohio | 1969 | 71 | 1017 | MTL |
| 27 | Billy Smith | P | MLB | 6-7 | 200 | Right | Right | 9/13/1954 | 26 | La Marque,Texas | 1977 | 14 | 352 | HOU |
| 45 | Dave Smith | P | MLB | 6-1 | 195 | Right | Right | 1/21/1955 | 26 | San Francisco,California | 1976 | 8 | 169 | HOU |
| 16 | Harry Spilman | 1B | MLB | 6-1 | 190 | Left | Right | 7/18/1954 | 26 | Albany,Georgia | 1974 | UDFA | | CIN |
| 41 | Bobby Sprowl | P | MLB | 6-2 | 190 | Left | Left | 4/14/1956 | 25 | Sandusky,Ohio | 1977 | 2 | 39 | BOS |
| 20 | Don Sutton | P | MLB | 6-1 | 185 | Right | Right | 4/2/1945 | 36 | Clio,Alabama | 1964 | UDFA | | LAD |
| 10 | Dickie Thon | SS | MLB | 5-11 | 175 | Right | Right | 6/20/1958 | 23 | South Bend,Indiana | 1975 | UDFA | | CAL |
| 38 | Tim Tolman | OF-1B | MLB | 6-0 | 195 | Right | Right | 4/20/1956 | 25 | Santa Monica,California | 1978 | 12 | 297 | HOU |
| 29 | Denny Walling | 3B-OF | MLB | 6-1 | 185 | Left | Right | 4/17/1954 | 27 | Neptune,New Jersey | 1975 | 1 | 1 | OAK |
| 15,22 | Gary Woods | OF | MLB | 6-2 | 190 | Right | Right | 7/20/1954 | 26 | Santa Barbara,California | 1973 | 27 | 602 | MIN |