| 46 | Tony Armas | CF-OF | MLB | 6-1 | 224 | Right | Right | 7/12/1953 | 22 | Anzoategui,Venezuela | 1971 | UDFA | | PIT |
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| 17 | Doug Bair | P | MLB | 6-0 | 180 | Right | Right | 8/22/1949 | 26 | Defiance,Ohio | 1971 | UDFA | | PIT |
| 45 | John Candelaria | P | MLB | 6-6 | 225 | Right | Left | 11/6/1953 | 22 | Brooklyn,New York | 1972 | 2 | 47 | PIT |
| 44 | Larry Demery | P | MLB | 6-0 | 170 | Right | Right | 6/4/1953 | 23 | Bakersfield,California | 1972 | 7 | 107 | PIT |
| 37 | Miguel Dilone | OF | MLB | 6-0 | 160 | Both | Right | 11/1/1954 | 21 | Santiago,Dominican Republic | 1972 | UDFA | | PIT |
| 5 | Duffy Dyer | C | MLB | 6-0 | 195 | Right | Right | 8/15/1945 | 30 | Dayton,Ohio | 1966 | 1 | 9 | NYM |
| 31 | Dave Giusti | P | MLB | 5-11 | 195 | Right | Right | 11/27/1939 | 36 | Seneca Falls,New York | 1961 | UDFA | | Hoc |
| 3 | Richie Hebner | 3B-1B | MLB | 6-1 | 200 | Left | Right | 11/26/1947 | 28 | Boston,Massachusetts | 1966 | 1 | 15 | PIT |
| 15 | Tommy Helms | 2B | MLB | 5-10 | 175 | Right | Right | 5/5/1941 | 35 | Charlotte,North Carolina | 1959 | UDFA | | CIN |
| 36 | Ramon Hernandez | P | MLB | 5-9 | 170 | Both | Left | 8/31/1940 | 35 | Carolina,Puerto Rico | 1959 | UDFA | | PIT |
| 23 | Ed Kirkpatrick | OF-C | MLB | 5-11 | 195 | Left | Right | 10/8/1944 | 31 | Spokane,Washington | 1962 | UDFA | | LAA |
| 25 | Bruce Kison | P | MLB | 6-4 | 178 | Right | Right | 2/18/1950 | 26 | Pasco,Washington | 1968 | 14 | 309 | PIT |
| 30 | Rick Langford | P | MLB | 6-0 | 180 | Right | Right | 3/20/1952 | 24 | Farmville,Virginia | 1972 | 36 | 733 | CLE |
| 32 | Doc Medich | P | MLB | 6-5 | 227 | Right | Right | 12/9/1948 | 27 | Aliquippa,Pennsylvania | 1970 | 30 | 692 | NYY |
| 11 | Mario Mendoza | SS | MLB | 5-11 | 187 | Right | Right | 12/26/1950 | 25 | Chihuahua,Mexico | | UDFA | | |
| 38 | Bob Moose | P | MLB | 6-0 | 200 | Right | Right | 10/9/1947 | 28 | Export,Pennsylvania | 1965 | 18 | 342 | PIT |
| 18 | Omar Moreno | OF | MLB | 6-2 | 180 | Left | Left | 10/24/1952 | 23 | Puerto Armuelles,Panama | 1969 | UDFA | | PIT |
| 16 | Al Oliver | OF-1B | MLB | 6-0 | 195 | Left | Left | 10/14/1946 | 29 | Portsmouth,Ohio | 1964 | UDFA | | PIT |
| 14 | Ed Ott | C | MLB | 5-10 | 198 | Left | Right | 7/11/1951 | 24 | Muncy,Pennsylvania | 1970 | 23 | 541 | PIT |
| 39 | Dave Parker | OF | MLB | 6-5 | 225 | Left | Right | 6/9/1951 | 25 | Calhoun,Mississippi | 1970 | 14 | 325 | PIT |
| 41 | Jerry Reuss | P | MLB | 6-5 | 217 | Left | Left | 6/19/1949 | 27 | St. Louis,Missouri | 1967 | 2 | 30 | STL |
| 12 | Craig Reynolds | SS | MLB | 6-1 | 175 | Left | Right | 12/27/1952 | 23 | Houston,Texas | 1971 | 1 | 22 | PIT |
| 7 | Bob Robertson | 1B | MLB | 6-1 | 210 | Right | Right | 10/2/1946 | 29 | Frostburg,Maryland | 1964 | UDFA | | PIT |
| 28 | Bill Robinson | OF | MLB | 6-3 | 205 | Right | Right | 6/26/1943 | 33 | McKeesport,Pennsylvania | 1961 | UDFA | | ATL |
| 19 | Jim Rooker | P | MLB | 6-0 | 201 | Right | Left | 9/23/1942 | 33 | Lakeview,Oregon | 1962 | UDFA | | DET |
| 35 | Manny Sanguillen | C | MLB | 6-0 | 193 | Right | Right | 3/21/1944 | 32 | Colon,Panama | 1965 | UDFA | | PIT |
| 8 | Willie Stargell | OF-1B | MLB | 6-2 | 225 | Left | Left | 3/6/1940 | 36 | Earlsboro,Oklahoma | 1959 | UDFA | | PIT |
| 6 | Rennie Stennett | 2B | MLB | 5-11 | 175 | Right | Right | 4/5/1951 | 25 | Colon,Panama | 1969 | UDFA | | PIT |
| 10 | Frank Taveras | SS | MLB | 6-0 | 168 | Right | Right | 12/24/1949 | 26 | Las Matas De Santa Cruz,Dominican Republic | 1968 | UDFA | | PIT |
| 27 | Kent Tekulve | P | MLB | 6-4 | 180 | Right | Right | 3/5/1947 | 29 | Cincinnati,Ohio | 1971 | UDFA | | PIT |
| 22 | Richie Zisk | OF | MLB | 6-1 | 208 | Right | Right | 2/6/1949 | 27 | Brooklyn,New York | 1967 | 3 | 56 | PIT |