| 17 | Mike Adamson | P | MLB | 6-2 | 185 | Right | Right | 9/13/1947 | 19 | San Diego,California | 1967 | 1 | 1 | BAL |
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| 11 | Luis Aparicio | SS | MLB | 5-9 | 160 | Right | Right | 4/29/1934 | 33 | Maracaibo,Venezuela | 1954 | UDFA | | CHW |
| 13 | Steve Barber | P | MLB | 6-0 | 200 | Left | Left | 2/22/1938 | 29 | Takoma Park,Maryland | 1957 | UDFA | | BAL |
| 7 | Mark Belanger | SS | MLB | 6-1 | 170 | Right | Right | 6/8/1944 | 23 | Pittsfield,Massachusetts | 1962 | UDFA | | BAL |
| 40 | Frank Bertaina | P | MLB | 5-11 | 180 | Left | Left | 4/14/1944 | 23 | San Francisco,California | | UDFA | | |
| 6 | Paul Blair | OF | MLB | 6-0 | 171 | Right | Right | 2/1/1944 | 23 | Cushing,Oklahoma | 1962 | UDFA | | BAL |
| 3 | Curt Blefary | OF-1B | MLB | 6-2 | 195 | Left | Right | 7/5/1943 | 23 | Brooklyn,New York | 1962 | UDFA | | NYY |
| 16 | Sam Bowens | OF | MLB | 6-1 | 195 | Right | Right | 3/23/1939 | 28 | Wilmington,North Carolina | | UDFA | | |
| 32 | Gene Brabender | P | MLB | 6-5 | 225 | Right | Right | 8/16/1941 | 25 | Madison,Wisconsin | | UDFA | | |
| 27 | Wally Bunker | P | MLB | 6-2 | 197 | Right | Right | 1/25/1945 | 22 | Seattle,Washington | | UDFA | | |
| 30 | John Buzhardt | P | MLB | 6-2 | 198 | Right | Right | 8/17/1936 | 30 | Prosperity,South Carolina | | UDFA | | |
| 45 | Bill Dillman | P | MLB | 6-2 | 180 | Right | Right | 5/25/1945 | 22 | Trenton,New Jersey | 1965 | 6 | 118 | BAL |
| 25 | Moe Drabowsky | P | MLB | 6-2 | 200 | Right | Right | 7/21/1935 | 31 | Ozanna,Poland | | UDFA | | |
| 4 | Mike Epstein | 1B | MLB | 6-3 | 230 | Left | Left | 4/4/1943 | 24 | Bronx,New York | 1965 | UDFA | | BAL |
| 8 | Andy Etchebarren | C | MLB | 6-1 | 197 | Right | Right | 6/20/1943 | 24 | Whittier,California | 1961 | UDFA | | BAL |
| 28 | Eddie Fisher | P | MLB | 6-2 | 200 | Right | Right | 7/16/1936 | 30 | Shreveport,Louisiana | 1958 | UDFA | | SF |
| 29,46 | Tom Fisher | P | MLB | 6-0 | 180 | Right | Right | 4/4/1942 | 25 | Cleveland,Ohio | | UDFA | | |
| 33 | Paul Gilliford | P | MLB | 5-11 | 210 | Right | Left | 1/12/1945 | 22 | Bryn Mawr,Pennsylvania | | UDFA | | |
| 34 | Larry Haney | C | MLB | 6-2 | 195 | Right | Right | 11/19/1942 | 24 | Charlottesville,Virginia | 1961 | UDFA | | BAL |
| 44 | Jim Hardin | P | MLB | 6-0 | 175 | Right | Right | 8/6/1943 | 23 | Morris Chapel,Tennessee | 1962 | UDFA | | BAL |
| 12 | Woodie Held | SS-OF | MLB | 5-11 | 180 | Right | Right | 3/25/1932 | 35 | Sacramento,California | | UDFA | | |
| 2 | Bob Johnson | SS-2B | MLB | 5-10 | 175 | Right | Right | 3/4/1936 | 31 | Omaha,Nebraska | | UDFA | | |
| 15 | Davey Johnson | 2B | MLB | 6-1 | 182 | Right | Right | 1/30/1943 | 24 | Orlando,Florida | 1962 | UDFA | | BAL |
| 44 | Charlie Lau | C | MLB | 6-0 | 190 | Left | Left | 4/12/1933 | 34 | Romulus,Michigan | | UDFA | | |
| 24,40 | Dave Leonhard | P | MLB | 5-11 | 165 | Right | Right | 1/22/1941 | 26 | Arlington,Virginia | 1963 | UDFA | | BAL |
| 29 | Marcelino Lopez | P | MLB | 6-3 | 210 | Right | Left | 9/23/1943 | 23 | Havana,Cuba | | UDFA | | |
| 12 | Dave May | OF | MLB | 5-10 | 186 | Left | Right | 12/23/1943 | 23 | New Castle,Delaware | 1962 | UDFA | | SF |
| 2 | Mickey McGuire | SS-2B | MLB | 5-10 | 170 | Right | Right | 1/18/1941 | 26 | Dayton,Ohio | | UDFA | | |
| 19 | Dave McNally | P | MLB | 5-11 | 190 | Right | Left | 10/31/1942 | 24 | Billings,Montana | 1961 | UDFA | | BAL |
| 17 | John Miller | P | MLB | 6-2 | 210 | Right | Right | 5/30/1941 | 26 | Baltimore,Maryland | 1961 | UDFA | | BAL |
| 37 | Stu Miller | P | MLB | 5-11 | 165 | Right | Right | 12/26/1927 | 39 | Northampton,Massachusetts | | UDFA | | |
| 21 | Curt Motton | OF | MLB | 5-7 | 175 | Right | Right | 9/24/1940 | 26 | Darnell,Louisiana | 1962 | UDFA | | CHC |
| 22 | Jim Palmer | P | MLB | 6-3 | 196 | Right | Right | 10/15/1945 | 21 | New York,New York | 1963 | UDFA | | BAL |
| 36 | Tom Phoebus | P | MLB | 5-8 | 185 | Right | Right | 4/7/1942 | 25 | Baltimore,Maryland | 1960 | UDFA | | BAL |
| 26 | Boog Powell | 1B-OF | MLB | 6-4 | 240 | Left | Right | 8/17/1941 | 25 | Lakeland,Florida | 1959 | UDFA | | BAL |
| 24 | Pete Richert | P | MLB | 6-0 | 184 | Left | Left | 10/29/1939 | 27 | Floral Park,New York | 1958 | UDFA | | LAD |
| 5 | Brooks Robinson | 3B | MLB | 6-1 | 190 | Right | Right | 5/18/1937 | 30 | Little Rock,Arkansas | 1955 | UDFA | | BAL |
| 20 | Frank Robinson | OF | MLB | 6-1 | 195 | Right | Right | 8/31/1935 | 31 | Beaumont,Texas | 1953 | UDFA | | CIN |
| 23 | Vic Roznovsky | C | MLB | 6-1 | 180 | Left | Right | 10/19/1938 | 28 | Shiner,Texas | | UDFA | | |
| 9 | Russ Snyder | OF | MLB | 6-1 | 190 | Left | Right | 6/22/1934 | 33 | Oak,Nebraska | | UDFA | | |
| 39 | Eddie Watt | P | MLB | 5-10 | 197 | Right | Right | 4/4/1941 | 26 | Lamoni,Iowa | 1962 | UDFA | | BAL |