1960-12-29 | Haywood Sullivan | Traded by Senators to Athletics for Marty Kutyna and Cash. | C-1B | 6-4 | 215 | R | R | 1930-12-15 | Donalsonville,GA |
| MLB | 1955-1963 | 1955-1963 |
1960-12-29 | Marty Kutyna | Traded by Athletics with Cash to Senators for Haywood Sullivan. | P | 6-0 | 190 | R | R | 1932-11-14 | Philadelphia,PA | 1953- 0- 0-SLN
| MLB | 1959-1962 | 1959-1962 |
1960-12-16 | R.C. Stevens | Traded by Pirates with Harry Bright and Bennie Daniels to Senators for Bobby Shantz. | 1B | 6-5 | 219 | L | R | 1934-07-22 | Moultrie,GA |
| MLB | 1958-1961 | 1958-1961 |
1960-12-16 | Harry Bright | Traded by Pirates with R.C. Stevens and Bennie Daniels to Senators for Bobby Shantz. | 1B-3B | 6-0 | 190 | R | R | 1929-09-22 | Kansas City,MO | 1946- 0- 0-NYA
| MLB | 1958-1965 | 1958-1965 |
1960-12-16 | Bobby Shantz | Traded by Senators to Pirates for R.C. Stevens, Harry Bright and Bennie Daniels. | P-OF | 5-6 | 142 | R | L | 1925-09-26 | Pottstown,PA |
| MLB | 1949-1964 | 1949-1964 |
1960-12-16 | Bennie Daniels | Traded by Pirates with R.C. Stevens and Harry Bright to Senators for Bobby Shantz. | P-OF | 6-1 | 193 | L | R | 1932-06-17 | Tuscaloosa,AL |
| MLB | 1957-1965 | 1957-1965 |
1960-12-14 | Dick Donovan | Selected by Senators from White Sox in expansion draft. | P | 6-3 | 205 | L | R | 1927-12-07 | Boston,MA |
| MLB | 1950-1965 | 1950-1965 |
1960-12-14 | Hector Maestri | Selected by Senators from Twins in expansion draft. | P | 5-10 | 158 | R | R | 1935-04-19 | Havana,CU | 1956- 0- 0-WS1
| MLB | 1960-1961 | 1960-1961 |
1960-12-14 | Chet Boak | Selected by Senators from Athletics in expansion draft. | 2B | 6-0 | 180 | R | R | 1935-06-19 | New Castle,PA | 1956- 0- 0-KC1
| MLB | 1960-1961 | 1960-1961 |
1960-12-14 | Leo Burke | Selected by Senators from Orioles in expansion draft. | OF-2B | 5-10 | 190 | R | R | 1934-05-06 | Hagerstown,MD | 1957- 0- 0-BAL
| MLB | 1958-1965 | 1958-1965 |
1960-12-14 | Pete Burnside | Selected by Senators from Tigers in expansion draft. | P | 6-2 | 190 | R | L | 1930-07-02 | Evanston,IL |
| MLB | 1955-1963 | 1955-1963 |
1960-12-14 | Bud Zipfel | Selected by Senators from Yankees in expansion draft. | 1B-OF | 6-3 | 200 | L | R | 1938-11-18 | Belleville,IL | 1956- 0- 0-NYA
| MLB | 1961-1962 | 1961-1962 |
1960-12-14 | Pete Daley | Selected by Senators from Athletics in expansion draft. | C-OF | 6-0 | 195 | R | R | 1930-01-14 | Grass Valley,CA |
| MLB | 1955-1961 | 1955-1961 |
1960-12-14 | Bob Johnson | Selected by Senators from Athletics in expansion draft. | SS-2B | 5-10 | 175 | R | R | 1936-03-04 | Omaha,NE | 1955- 0- 0-DET
| MLB | 1960-1970 | 1960-1970 |
1960-12-14 | Dutch Dotterer | Selected by Senators from Athletics in expansion draft. | C | 6-0 | 209 | R | R | 1931-11-11 | Syracuse,NY |
| MLB | 1957-1961 | 1957-1961 |
1960-12-14 | Gene Green | Selected by Senators from Orioles in expansion draft. | OF-C | 6-2 | 205 | R | R | 1933-06-26 | Los Angeles,CA |
| MLB | 1957-1963 | 1957-1963 |
1960-12-14 | Rudy Hernandez | Selected by Senators from Twins in expansion draft. | P | 6-3 | 185 | R | R | 1931-12-10 | Santiago,DR | 1950- 0- 0-NY1
| MLB | 1960-1961 | 1960-1961 |
1960-12-14 | Joe Hicks | Selected by Senators from White Sox in expansion draft. | OF | 6-0 | 180 | L | R | 1933-04-07 | Ivy,VA | 1953- 0- 0-CHA
| MLB | 1959-1963 | 1959-1963 |
1960-12-14 | Chuck Hinton | Selected by Senators from Orioles in expansion draft. | OF-1B | 6-1 | 197 | R | R | 1934-05-03 | Rocky Mount,NC | 1956- 0- 0-BAL
| MLB | 1961-1971 | 1961-1971 |
1960-12-14 | Ed Hobaugh | Selected by Senators from White Sox in expansion draft. | P | 6-0 | 176 | R | R | 1934-06-27 | Kittanning,PA | 1956- 0- 0-CHA
| MLB | 1961-1963 | 1961-1963 |
1960-12-14 | Marty Keough | Selected by Senators from Indians in expansion draft. | OF-1B | 6-0 | 180 | L | L | 1935-04-14 | Oakland,CA |
| MLB | 1956-1966 | 1956-1966 |
1960-12-14 | Jim King | Selected by Senators from Indians in expansion draft. | OF-C | 6-0 | 185 | L | R | 1932-08-27 | Elkins,AR |
| MLB | 1955-1967 | 1955-1967 |
1960-12-14 | Billy Klaus | Selected by Senators from Orioles in expansion draft. | SS-3B | 5-10 | 165 | L | R | 1928-12-09 | Fox Lake,IL |
| MLB | 1952-1963 | 1952-1963 |
1960-12-14 | Johnny Klippstein | Selected by Senators from Indians in expansion draft. | P | 6-1 | 185 | R | R | 1927-10-17 | Washington,DC |
| MLB | 1950-1967 | 1950-1967 |
1960-12-14 | Dale Long | Selected by Senators from Yankees in expansion draft. | 1B-C | 6-4 | 210 | L | L | 1926-02-06 | Springfield,MO |
| MLB | 1951-1963 | 1951-1963 |
1960-12-14 | Jim Mahoney | Selected by Senators from Red Sox in expansion draft. | SS-2B | 6-0 | 175 | R | R | 1934-05-26 | Englewood,NJ | 1953- 0- 0-PHI
| MLB | 1959-1965 | 1959-1965 |
1960-12-14 | Carl Mathias | Selected by Senators from Indians in expansion draft. | P | 5-11 | 195 | B | L | 1936-06-13 | Bechtelsville,PA | 1955- 0- 0-CLE
| MLB | 1960-1961 | 1960-1961 |
1960-12-14 | Joe McClain | Selected by Senators from Twins in expansion draft. | P | 6-0 | 183 | R | R | 1933-05-05 | Johnson City,TN | 1953- 0- 0-SLN
| MLB | 1961-1962 | 1961-1962 |
1960-12-14 | Tom Sturdivant | Selected by Senators from Red Sox in expansion draft. | P | 6-1 | 186 | L | R | 1930-04-28 | Gordon,KS |
| MLB | 1955-1964 | 1955-1964 |
1960-12-14 | Haywood Sullivan | Selected by Senators from Red Sox in expansion draft. | C-1B | 6-4 | 215 | R | R | 1930-12-15 | Donalsonville,GA |
| MLB | 1955-1963 | 1955-1963 |
1960-12-14 | Johnny Schaive | Selected by Senators from Twins in expansion draft. | 3B-2B | 5-8 | 175 | R | R | 1934-02-25 | Springfield,IL | 1953- 0- 0-CHA
| MLB | 1958-1963 | 1958-1963 |
1960-12-14 | Bobby Shantz | Selected by Senators from Yankees in expansion draft. | P-OF | 5-6 | 142 | R | L | 1925-09-26 | Pottstown,PA |
| MLB | 1949-1964 | 1949-1964 |
1960-12-14 | Dave Sisler | Selected by Senators from Tigers in expansion draft. | P | 6-4 | 200 | R | R | 1931-10-16 | St. Louis,MO |
| MLB | 1956-1962 | 1956-1962 |
1960-12-14 | Willie Tasby | Selected by Senators from Red Sox in expansion draft. | OF-3B | 5-11 | 175 | R | R | 1933-01-08 | Shreveport,LA | 1950- 0- 0-SLA
| MLB | 1958-1963 | 1958-1963 |
1960-12-14 | Coot Veal | Selected by Senators from Tigers in expansion draft. | SS-3B | 6-1 | 165 | R | R | 1932-07-09 | Sandersville,GA | 1952- 0- 0-DET
| MLB | 1958-1963 | 1958-1963 |
1960-12-14 | Gene Woodling | Selected by Senators from Orioles in expansion draft. | OF | 5-9 | 195 | L | R | 1922-08-16 | Akron,OH |
| MLB | 1943-1962 | 1943-1962 |
1960-12-14 | Hal Woodeshick | Selected by Senators from Twins in expansion draft. | P | 6-3 | 200 | R | L | 1932-08-24 | Wilkes-Barre,PA |
| MLB | 1956-1967 | 1956-1967 |
1960-07-22 | Bill Fischer | Traded by Senators to Tigers for Tom Morgan. | P | 6-0 | 190 | R | R | 1930-10-11 | Wausau,WI |
| MLB | 1956-1964 | 1956-1964 |
1960-07-22 | Tom Morgan | Traded by Tigers to Senators for Bill Fischer. | P | 6-2 | 195 | R | R | 1930-05-20 | El Monte,CA |
| MLB | 1951-1963 | 1951-1963 |
1960-06-13 | Ray Moore | Purchased by Senators from White Sox. | P | 6-1 | 205 | R | R | 1926-06-01 | Meadows,MD |
| MLB | 1952-1963 | 1952-1963 |
1960-05-24 | Elmer Valo | Signed as Free Agent by Senators. | OF | 5-11 | 190 | L | R | 1921-03-05 | Ribink,PL |
| MLB | 1940-1961 | 1940-1961 |
1960-05-18 | Russ Kemmerer | Purchased by White Sox from Senators. | P | 6-3 | 200 | R | R | 1931-11-01 | Pittsburgh,PA |
| MLB | 1954-1963 | 1954-1963 |
1960-05-17 | Ted Abernathy | Released by Senators. | P | 6-4 | 215 | R | R | 1933-03-06 | Stanley,NC |
| MLB | 1955-1972 | 1952-1972 |
1960-05-15 | Pete Whisenant | Traded by Indians to Senators for Ken Aspromonte. | OF-2B | 6-2 | 200 | R | R | 1929-12-14 | Asheville,NC | 1947- 0- 0-BSN
| MLB | 1952-1961 | 1952-1961 |
1960-05-15 | Ken Aspromonte | Traded by Senators to Indians for Pete Whisenant. | 2B-3B | 6-0 | 180 | R | R | 1931-09-22 | Brooklyn,NY |
| MLB | 1957-1963 | 1957-1963 |
1960-04-14 | John Romonosky | Released by Senators. | P | 6-2 | 195 | R | R | 1929-07-07 | Harrisburg,IL |
| MLB | 1953-1959 | 1953-1959 |
1960-04-04 | Roy Sievers | Traded by Senators to White Sox for Don Mincher, Earl Battey and Cash. | 1B-OF | 6-1 | 195 | R | R | 1926-11-18 | St. Louis,MO |
| MLB | 1949-1965 | 1949-1965 |
1960-04-04 | Earl Battey | Traded by White Sox with Don Mincher and Cash to Senators for Roy Sievers. | C | 6-1 | 205 | R | R | 1935-01-05 | Los Angeles,CA |
| MLB | 1955-1967 | 1955-1967 |
1960-04-04 | Don Mincher | Traded by White Sox with Earl Battey and Cash to Senators for Roy Sievers. | 1B-OF | 6-3 | 213 | L | R | 1938-06-24 | Huntsville,AL | 1956- 0- 0-CHA
| MLB | 1960-1972 | 1956-1972 |
1960-04-03 | Billy Gardner | Traded by Orioles to Senators for Ron Samford and Clint Courtney. | 2B-SS | 6-0 | 180 | R | R | 1927-07-19 | Waterford,CT |
| MLB | 1954-1963 | 1954-1963 |
1960-04-03 | Ron Samford | Traded by Senators with Clint Courtney to Orioles for Billy Gardner. | SS-2B | 5-11 | 156 | R | R | 1930-02-28 | Dallas,TX |
| MLB | 1954-1959 | 1954-1959 |
1960-04-03 | Clint Courtney | Traded by Senators with Ron Samford to Orioles for Billy Gardner. | C | 5-8 | 180 | L | R | 1927-03-16 | Hall Summit,LA |
| MLB | 1951-1961 | 1951-1961 |
1960-01-01 | Pete Cimino | Signed as undrafted amateur Free Agent by Senators. | P | 6-2 | 195 | R | R | 1942-10-17 | Philadelphia,PA | 1960- 0- 0-WS1
| MLB | 1965-1968 | 1965-1968 |
1960-01-01 | Rich Rollins | Signed as undrafted amateur Free Agent by Senators. | 3B-2B | 5-10 | 185 | R | R | 1938-04-16 | Mount Pleasant,PA | 1960- 0- 0-WS1
| MLB | 1961-1970 | 1961-1970 |
1960-01-01 | Joe McCabe | Signed as undrafted amateur Free Agent by Senators. | C | 6-0 | 190 | R | R | 1938-08-27 | Indianapolis,IN | 1960- 0- 0-WS1
| MLB | 1964-1965 | 1964-1965 |
1960-01-01 | Marty Martinez | Signed as undrafted amateur Free Agent by Senators. | SS-3B | 6-1 | 175 | B | R | 1941-08-23 | Havana,CU | 1960- 0- 0-WS1
| MLB | 1962-1972 | 1960-1980 |
1960-01-01 | Fred Lasher | Signed as undrafted amateur Free Agent by Senators. | P | 6-4 | 210 | R | R | 1941-08-19 | Poughkeepsie,NY | 1960- 0- 0-WS1
| MLB | 1963-1971 | 1963-1971 |