| 1976-12-10 | Lynn McGlothen | Traded by Cardinals to Giants for Ken Reitz. | P | 6-2 | 195 | L | R | 1950-03-27 | Monroe,LA | 1968- 3- 60-BOS
| MLB | 1972-1982 | 1968-1982 |
| 1976-12-10 | Ken Reitz | Traded by Giants to Cardinals for Lynn McGlothen. | 3B-1B | 6-0 | 185 | R | R | 1951-06-24 | San Francisco,CA | 1969- 31- 732-SLN
| MLB | 1972-1982 | 1969-1987 |
| 1976-12-07 | Jeff Yurak | Selected by Brewers from Giants in the minor league draft. | OF-3B | 6-3 | 195 | B | R | 1954-02-26 | Pasadena,CA | 1974- 24- 536-SFN
| MLB | 1978-1978 | 1977-1979 |
| 1976-12-06 | Glenn Adams | Purchased by Twins from Giants. | DH-OF | 6-0 | 185 | L | R | 1947-10-04 | Northbridge,MA | 1968- 1- 4-HOU
| MLB | 1975-1982 | 1968-1982 |
| 1976-11-22 | Philip Nastu | Signed as undrafted amateur Free Agent by Giants. | P-OF | 6-2 | 180 | L | L | 1955-03-08 | Bridgeport,CT | 1976- 0- 0-SFN
| MLB | 1978-1980 | 1977-1982 |
| 1976-10-20 | Willie Crawford | Traded by Cardinals with John Curtis and Vic Harris to Giants for Dave Rader, Mike Caldwell and John D'Acquisto. | OF-DH | 6-1 | 205 | L | L | 1946-09-07 | Los Angeles,CA | 1964- 0- 0-LAN
| MLB | 1964-1977 | 1964-1977 |
| 1976-10-20 | Vic Harris | Traded by Cardinals with John Curtis and Willie Crawford to Giants for Dave Rader, Mike Caldwell and John D'Acquisto. | OF-2B | 6-0 | 170 | B | R | 1950-03-27 | Los Angeles,CA | 1970- 1- 9-OAK
| MLB | 1972-1980 | 1971-1984 |
| 1976-10-20 | John Curtis | Traded by Cardinals with Vic Harris and Willie Crawford to Giants for Dave Rader, Mike Caldwell and John D'Acquisto. | P | 6-2 | 185 | L | L | 1948-03-09 | Newton,MA | 1968- 1- 10-BOS
| MLB | 1970-1984 | 1968-1984 |
| 1976-10-20 | Mike Caldwell | Traded by Giants with Dave Rader and John D'Acquisto to Cardinals for John Curtis, Vic Harris and Willie Crawford. | P | 6-0 | 185 | R | L | 1949-01-22 | Tarboro,NC | 1971- 12- 273-SDN
| MLB | 1971-1984 | 1971-1984 |
| 1976-10-20 | John D'Acquisto | Traded by Giants with Dave Rader and Mike Caldwell to Cardinals for John Curtis, Vic Harris and Willie Crawford. | P | 6-2 | 205 | R | R | 1951-12-24 | San Diego,CA | 1970- 1- 17-SFN
| MLB | 1973-1982 | 1970-1983 |
| 1976-10-20 | Dave Rader | Traded by Giants with Mike Caldwell and John D'Acquisto to Cardinals for John Curtis, Vic Harris and Willie Crawford. | C-DH | 5-11 | 165 | L | R | 1948-12-26 | Claremore,OK | 1967- 1- 18-SFN
| MLB | 1971-1980 | 1967-1980 |
| 1976-09-03 | Randy Elliott | Signed as Free Agent by Giants. | OF-DH | 6-2 | 190 | R | R | 1951-06-05 | Oxnard,CA | 1969- 1- 24-SDN
| MLB | 1972-1980 | 1969-1980 |
| 1976-06-21 | Bob Brenly | Signed as undrafted amateur Free Agent by Giants. | C-3B | 6-2 | 205 | R | R | 1954-02-25 | Coshocton,OH | 1976- 0- 0-SFN
| MLB | 1981-1989 | 1976-1989 |
| 1976-06-21 | Casey Parsons | Signed as undrafted amateur Free Agent by Giants. | OF-1B | 6-1 | 180 | L | R | 1954-04-14 | Wenatchee,WA | 1976- 0- 0-SFN
| MLB | 1981-1987 | 1973-1987 |
| 1976-06-14 | Joe Strain | Signed as undrafted amateur Free Agent by Giants. | 2B-3B | 5-10 | 169 | R | R | 1954-04-30 | Denver,CO | 1976- 0- 0-SFN
| MLB | 1979-1981 | 1973-1983 |
| 1976-06-13 | Marty Perez | Traded by Braves with Darrell Evans to Giants for Jake Brown, Mike Eden, Craig Robinson and Willie Montanez. | SS-2B | 5-11 | 160 | R | R | 1947-02-28 | Visalia,CA | 1964- 0- 0-ANA
| MLB | 1969-1978 | 1964-1978 |
| 1976-06-13 | Darrell Evans | Traded by Braves with Marty Perez to Giants for Jake Brown, Mike Eden, Craig Robinson and Willie Montanez. | 3B-1B | 6-2 | 205 | L | R | 1947-05-26 | Pasadena,CA | 1967- 7- 132-KC1
| MLB | 1969-1989 | 1967-1989 |
| 1976-06-13 | Mike Eden | Traded by Giants with Jake Brown, Craig Robinson and Willie Montanez to Braves for Marty Perez and Darrell Evans. | 3B-2B | 5-10 | 170 | B | R | 1949-05-22 | Fort Clayton,CA | 1971- 27- 620-CLE
| MLB | 1976-1978 | 1976-1980 |
| 1976-06-13 | Willie Montanez | Traded by Giants with Jake Brown, Mike Eden and Craig Robinson to Braves for Marty Perez and Darrell Evans. | 1B-OF | 6-1 | 193 | L | L | 1948-04-01 | Catano,PR | 1965- 0- 0-SLN
| MLB | 1966-1982 | 1965-1982 |
| 1976-06-13 | Craig Robinson | Traded by Giants with Jake Brown, Mike Eden and Willie Montanez to Braves for Marty Perez and Darrell Evans. | SS-1B | 5-10 | 165 | R | R | 1948-08-21 | Abington,PA | 1970- 11- 252-PHI
| MLB | 1972-1977 | 1968-1978 |
| 1976-06-13 | Jake Brown | Traded by Giants with Mike Eden, Craig Robinson and Willie Montanez to Braves for Marty Perez and Darrell Evans. | OF | 6-2 | 200 | R | R | 1948-03-22 | Sumrall,MS | 1969- 1- 2-SFN
| MLB | 1975-1975 | 1975-1975 |
| 1976-06-02 | Von Joshua | Purchased by Brewers from Giants. | OF-1B | 5-10 | 170 | L | L | 1948-05-01 | Oakland,CA | 1967- 1- 17-SFN
| MLB | 1969-1980 | 1967-1980 |
| 1976-04-08 | Tom Bradley | Claimed on waivers by Athletics from Giants. | P | 6-3 | 185 | R | R | 1947-03-16 | Asheville,NC | 1968- 7- 144-CAL
| MLB | 1969-1975 | 1967-1983 |
| 1976-03-16 | Leon Brown | Traded by Giants to Mets for Bob Gallagher. | OF | 6-0 | 185 | R | R | 1949-11-16 | Sacramento,CA | 1966- 9- 176-BAL
| MLB | 1976-1976 | 1976-1980 |
| 1976-03-16 | Bob Gallagher | Traded by Mets to Giants for Leon Brown. | OF-1B | 6-3 | 185 | L | L | 1948-07-07 | Newton,MA | 1971- 4- 94-MIN
| MLB | 1972-1975 | 1967-1975 |