Players who made their Major League debut during the selected season. Player must have appeared in a game as a hitter or a pitcher.
Batting and Pitching statistics for debuts are available since 1957.
| Tom Acker | 1956-04-20 | boxscore | 26.051 | P | 6-4 | 215 | R | R | 1930-03-07 | Paterson,NJ | MLB | 1956-1959 | 1956-1959 | | premium | premium | premium |
| Luis Aparicio | 1956-04-17 | boxscore | 21.359 | SS | 5-9 | 160 | R | R | 1934-04-29 | Maracaibo,VZ | MLB | 1956-1973 | 1956-1973 | | premium | premium | premium |
| Bob Aspromonte | 1956-09-19 | boxscore | 18.097 | 3B | 6-2 | 185 | R | R | 1938-06-19 | Brooklyn,NY | MLB | 1956-1971 | 1956-1971 | | premium | premium | premium |
| Earl Averill | 1956-04-19 | boxscore | 24.229 | C-OF | 5-10 | 190 | R | R | 1931-09-09 | Cleveland,OH | MLB | 1956-1963 | 1956-1963 | | premium | premium | premium |
| Bobby Balcena | 1956-09-16 | boxscore | 31.054 | OF | 5-7 | 160 | R | L | 1925-08-01 | San Pedro,CA | MLB | 1956-1956 | 1956-1956 | | premium | premium | premium |
| Mike Baxes | 1956-04-17 | boxscore | 25.127 | SS-2B | 5-10 | 175 | R | R | 1930-12-18 | San Francisco,CA | MLB | 1956-1958 | 1956-1958 | 1951- UDFA -NYA | premium | premium | premium |
| Charlie Beamon | 1956-09-26 | boxscore | 21.281 | P | 5-11 | 195 | R | R | 1934-12-25 | Oakland,CA | MLB | 1956-1958 | 1956-1958 | | premium | premium | premium |
| Fred Besana | 1956-04-18 | boxscore | 25.020 | P | 6-4 | 200 | R | L | 1931-04-05 | Lincoln,CA | MLB | 1956-1956 | 1956-1956 | | premium | premium | premium |
| Bob Blaylock | 1956-07-22 | boxscore | 21.030 | P | 6-1 | 185 | R | R | 1935-06-28 | Chattanooga,OK | MLB | 1956-1959 | 1956-1959 | | premium | premium | premium |
| Ed Bouchee | 1956-09-19 | boxscore | 23.202 | 1B | 6-1 | 205 | L | L | 1933-03-07 | Livingston,MT | MLB | 1956-1962 | 1956-1962 | | premium | premium | premium |
| Bill Bradford | 1956-04-24 | boxscore | 34.248 | P | 6-2 | 180 | R | R | 1921-08-28 | Choctaw,AR | MLB | 1956-1956 | 1956-1956 | | premium | premium | premium |
| Jim Brady | 1956-05-12 | boxscore | 20.076 | P | 6-2 | 185 | L | L | 1936-03-02 | Jersey City,NJ | MLB | 1956-1956 | 1956-1956 | | premium | premium | premium |
| Jackie Brandt | 1956-04-21 | boxscore | 21.364 | OF | 5-11 | 170 | R | R | 1934-04-28 | Omaha,NE | MLB | 1956-1967 | 1956-1967 | | premium | premium | premium |
| Eddie Bressoud | 1956-06-14 | boxscore | 24.049 | SS | 6-1 | 175 | R | R | 1932-05-02 | Los Angeles,CA | MLB | 1956-1967 | 1956-1967 | | premium | premium | premium |
| John Briggs | 1956-04-17 | boxscore | 22.089 | P | 5-10 | 175 | R | R | 1934-01-24 | Natoma,CA | MLB | 1956-1960 | 1956-1960 | | premium | premium | premium |
| George Brunet | 1956-09-14 | boxscore | 21.104 | P | 6-1 | 210 | R | L | 1935-06-08 | Houghton,MI | MLB | 1956-1971 | 1956-1971 | | premium | premium | premium |
| Don Buddin | 1956-04-17 | boxscore | 21.353 | SS | 5-11 | 178 | R | R | 1934-05-05 | Turbeville,SC | MLB | 1956-1962 | 1956-1962 | | premium | premium | premium |
| Mack Burk | 1956-05-25 | boxscore | 21.040 | C | 6-4 | 180 | R | R | 1935-04-21 | Nacogdoches,TX | MLB | 1956-1958 | 1956-1958 | 1955- UDFA -PHI | premium | premium | premium |
| Wally Burnette | 1956-07-15 | boxscore | 27.032 | P | 6-0 | 178 | R | R | 1929-06-20 | Blairs,VA | MLB | 1956-1958 | 1956-1958 | | premium | premium | premium |
| Joe Caffie | 1956-09-13 | boxscore | 25.218 | OF | 5-11 | 180 | L | R | 1931-02-14 | Ramer,AL | MLB | 1956-1957 | 1956-1957 | | premium | premium | premium |
| Gino Cimoli | 1956-04-19 | boxscore | 26.129 | OF | 6-2 | 200 | R | R | 1929-12-18 | San Francisco,CA | MLB | 1956-1965 | 1956-1965 | | premium | premium | premium |
| Jim Coates | 1956-09-21 | boxscore | 24.054 | P | 6-4 | 192 | R | R | 1932-08-04 | Farnham,VA | MLB | 1956-1967 | 1956-1967 | | premium | premium | premium |
| Jim Constable | 1956-06-24 | boxscore | 23.016 | P | 6-1 | 185 | B | L | 1933-06-14 | Jonesborough,TN | MLB | 1956-1963 | 1956-1963 | | premium | premium | premium |
| Wes Covington | 1956-04-19 | boxscore | 24.029 | OF | 6-1 | 205 | L | R | 1932-03-27 | Laurinburg,NC | MLB | 1956-1966 | 1956-1966 | | premium | premium | premium |
| Jerry Dahlke | 1956-05-06 | boxscore | 26.339 | P | 6-0 | 180 | R | R | 1929-06-08 | Marathon,WI | MLB | 1956-1956 | 1956-1956 | | premium | premium | premium |
| Don Demeter | 1956-09-18 | boxscore | 21.091 | OF | 6-4 | 190 | R | R | 1935-06-25 | Oklahoma City,OK | MLB | 1956-1967 | 1956-1967 | | premium | premium | premium |
| Jim Derrington | 1956-09-30 | boxscore | 16.310 | P | 6-3 | 190 | L | L | 1939-11-29 | Compton,CA | MLB | 1956-1957 | 1956-1957 | | premium | premium | premium |
| Moe Drabowsky | 1956-08-07 | boxscore | 21.023 | P | 6-2 | 200 | R | R | 1935-07-21 | Ozanna,PO | MLB | 1956-1972 | 1956-1972 | | premium | premium | premium |
| Solly Drake | 1956-04-17 | boxscore | 25.183 | OF | 6-0 | 170 | B | R | 1930-10-23 | Little Rock,AR | MLB | 1956-1959 | 1956-1959 | | premium | premium | premium |
| Don Drysdale | 1956-04-17 | boxscore | 19.273 | P | 6-6 | 215 | R | R | 1936-07-23 | Van Nuys,CA | MLB | 1956-1969 | 1956-1969 | | premium | premium | premium |
| Carl Duser | 1956-09-15 | boxscore | 24.061 | P | 6-1 | 175 | L | L | 1932-07-22 | Hazleton,PA | MLB | 1956-1958 | 1956-1958 | | premium | premium | premium |
| Turk Farrell | 1956-09-21 | boxscore | 22.172 | P | 6-4 | 220 | R | R | 1934-04-08 | Boston,MA | MLB | 1956-1969 | 1956-1969 | | premium | premium | premium |
| Chico Fernandez | 1956-07-14 | boxscore | 24.140 | SS | 6-0 | 170 | R | R | 1932-03-02 | Havana,CU | MLB | 1956-1963 | 1956-1963 | 1951- UDFA -BRO | premium | premium | premium |
| Bill Fischer | 1956-04-21 | boxscore | 25.199 | P | 6-0 | 190 | R | R | 1930-10-11 | Wausau,WI | MLB | 1956-1964 | 1956-1964 | | premium | premium | premium |
| Curt Flood | 1956-09-09 | boxscore | 18.239 | OF | 5-9 | 165 | R | R | 1938-01-18 | Houston,TX | MLB | 1956-1971 | 1956-1971 | | premium | premium | premium |
| Tito Francona | 1956-04-17 | boxscore | 22.170 | OF-1B | 5-11 | 190 | L | L | 1933-11-04 | Aliquippa,PA | MLB | 1956-1970 | 1956-1970 | | premium | premium | premium |
| Bob Garber | 1956-05-13 | boxscore | 27.252 | P | 6-1 | 190 | R | R | 1928-09-10 | Hunker,PA | MLB | 1956-1956 | 1956-1956 | | premium | premium | premium |
| Hal Griggs | 1956-04-18 | boxscore | 27.244 | P | 6-0 | 170 | R | R | 1928-08-24 | Shannon,GA | MLB | 1956-1959 | 1956-1959 | | premium | premium | premium |
| Connie Grob | 1956-04-22 | boxscore | 23.170 | P | 6-0 | 180 | L | R | 1932-11-09 | Cross Plains,WI | MLB | 1956-1956 | 1956-1956 | | premium | premium | premium |
| Mel Held | 1956-04-27 | boxscore | 27.022 | P | 6-1 | 178 | R | R | 1929-04-12 | Edon,OH | MLB | 1956-1956 | 1956-1956 | | premium | premium | premium |
| Evelio Hernandez | 1956-09-12 | boxscore | 25.269 | P | 6-1 | 195 | R | R | 1930-12-24 | Guanabacoa,CU | MLB | 1956-1957 | 1956-1957 | | premium | premium | premium |
| Troy Herriage | 1956-04-25 | boxscore | 25.133 | P | 6-1 | 170 | R | R | 1930-12-20 | Tipton,OK | MLB | 1956-1956 | 1956-1956 | | premium | premium | premium |
| Earl Hersh | 1956-09-04 | boxscore | 24.112 | OF | 6-0 | 205 | L | L | 1932-05-21 | Ebbvale,MD | MLB | 1956-1956 | 1956-1956 | 1953- UDFA -MLN | premium | premium | premium |
| Whitey Herzog | 1956-04-17 | boxscore | 24.166 | OF | 5-11 | 182 | L | L | 1931-11-09 | New Athens,IL | MLB | 1956-1963 | 1956-1963 | | premium | premium | premium |
| Buddy Hicks | 1956-04-17 | boxscore | 29.069 | SS-2B | 5-10 | 170 | B | R | 1927-02-15 | Belvedere,CA | MLB | 1956-1956 | 1956-1956 | | premium | premium | premium |
| Gene Host | 1956-09-16 | boxscore | 23.264 | P | 5-11 | 190 | B | L | 1933-01-01 | Leeper,PA | MLB | 1956-1957 | 1956-1957 | | premium | premium | premium |
| Marty Keough | 1956-04-21 | boxscore | 22.013 | OF-1B | 6-0 | 180 | L | L | 1934-04-14 | Oakland,CA | MLB | 1956-1966 | 1956-1966 | | premium | premium | premium |
| Jerry Kindall | 1956-07-01 | boxscore | 21.041 | 2B-SS | 6-3 | 175 | R | R | 1935-05-27 | St. Paul,MN | MLB | 1956-1965 | 1956-1965 | | premium | premium | premium |
| Danny Kravitz | 1956-04-17 | boxscore | 25.124 | C | 5-11 | 195 | L | R | 1930-12-21 | Lopez,PA | MLB | 1956-1960 | 1956-1960 | | premium | premium | premium |
| Charlie Lau | 1956-09-12 | boxscore | 23.159 | C | 6-0 | 190 | L | R | 1933-04-12 | Romulus,MI | MLB | 1956-1967 | 1956-1967 | | premium | premium | premium |
| Michael LiPetri | 1956-04-25 | boxscore | 26.300 | P | 6-2 | 180 | R | R | 1929-07-06 | Brooklyn,NY | MLB | 1956-1958 | 1956-1958 | | premium | premium | premium |
| Joe Lonnett | 1956-04-22 | boxscore | 29.082 | C | 5-10 | 180 | R | R | 1927-02-07 | Beaver Falls,PA | MLB | 1956-1959 | 1956-1959 | | premium | premium | premium |
| Jerry Lumpe | 1956-04-17 | boxscore | 22.325 | 2B | 6-2 | 185 | L | R | 1933-06-02 | Lincoln,MO | MLB | 1956-1967 | 1956-1967 | | premium | premium | premium |
| Lyle Luttrell | 1956-05-15 | boxscore | 26.089 | SS | 6-0 | 180 | R | R | 1930-02-22 | Bloomington,IL | MLB | 1956-1957 | 1956-1957 | | premium | premium | premium |
| Felix Mantilla | 1956-06-21 | boxscore | 21.333 | 2B-SS | 6-0 | 160 | R | R | 1934-07-29 | Isabela,PR | MLB | 1956-1966 | 1956-1966 | | premium | premium | premium |
| Joe Margoneri | 1956-04-25 | boxscore | 26.109 | P | 6-0 | 185 | L | L | 1930-01-13 | Somerset,PA | MLB | 1956-1957 | 1956-1957 | | premium | premium | premium |
| Bill Mazeroski | 1956-07-08 | boxscore | 19.311 | 2B | 6-0 | 183 | R | R | 1936-09-05 | Wheeling,WV | MLB | 1956-1972 | 1956-1972 | 1954- UDFA -PIT | premium | premium | premium |
| Mike McCormick | 1956-09-03 | boxscore | 17.344 | P | 6-2 | 195 | L | L | 1938-09-29 | Pasadena,CA | MLB | 1956-1971 | 1956-1971 | | premium | premium | premium |
| Jack McMahan | 1956-05-02 | boxscore | 23.287 | P | 6-0 | 175 | R | L | 1932-07-25 | Hot Springs,AR | MLB | 1956-1956 | 1956-1956 | | premium | premium | premium |
| Dave Melton | 1956-04-17 | boxscore | 27.203 | OF | 6-0 | 185 | R | R | 1928-10-03 | Pampa,TX | MLB | 1956-1958 | 1956-1958 | | premium | premium | premium |
| Ron Moeller | 1956-09-08 | boxscore | 17.335 | P | 6-0 | 180 | L | L | 1938-10-13 | Cincinnati,OH | MLB | 1956-1963 | 1956-1963 | 1956- UDFA -BAL | premium | premium | premium |
| Red Murff | 1956-04-21 | boxscore | 35.029 | P | 6-3 | 195 | R | R | 1921-04-01 | Burlington,TX | MLB | 1956-1957 | 1956-1957 | | premium | premium | premium |
| Richie Myers | 1956-04-21 | boxscore | 26.021 | H | 5-6 | 150 | R | R | 1930-04-07 | Sacramento,CA | MLB | 1956-1956 | 1956-1956 | | premium | premium | premium |
| Cholly Naranjo | 1956-07-08 | boxscore | 21.231 | P | 6-0 | 165 | L | R | 1934-11-25 | Havana,CU | MLB | 1956-1956 | 1956-1956 | | premium | premium | premium |
| Charlie Neal | 1956-04-17 | boxscore | 25.084 | 2B-SS | 5-10 | 165 | R | R | 1931-01-30 | Longview,TX | MLB | 1956-1963 | 1956-1963 | | premium | premium | premium |
| Charlie Peete | 1956-07-17 | boxscore | 27.152 | OF | 5-10 | 190 | L | R | 1929-02-22 | Franklin,VA | MLB | 1956-1956 | 1956-1956 | | premium | premium | premium |
| Taylor Phillips | 1956-06-08 | boxscore | 22.361 | P | 5-11 | 185 | L | L | 1933-06-18 | Atlanta,GA | MLB | 1956-1963 | 1956-1963 | | premium | premium | premium |
| George Piktuzis | 1956-04-25 | boxscore | 24.119 | P | 6-2 | 200 | R | L | 1932-01-03 | Chicago,IL | MLB | 1956-1956 | 1956-1956 | | premium | premium | premium |
| Al Pilarcik | 1956-07-13 | boxscore | 26.017 | OF | 5-10 | 180 | L | L | 1930-07-03 | Whiting,IN | MLB | 1956-1961 | 1956-1961 | | premium | premium | premium |
| Rance Pless | 1956-04-21 | boxscore | 30.144 | 1B-3B | 6-0 | 195 | R | R | 1925-12-06 | Greeneville,TN | MLB | 1956-1956 | 1956-1956 | | premium | premium | premium |
| Herb Plews | 1956-04-18 | boxscore | 27.315 | 2B-3B | 5-11 | 160 | L | R | 1928-06-14 | Helena,MT | MLB | 1956-1959 | 1956-1959 | | premium | premium | premium |
| Frank Robinson | 1956-04-17 | boxscore | 20.235 | OF | 6-1 | 195 | R | R | 1935-08-31 | Beaumont,TX | MLB | 1956-1976 | 1956-1976 | | premium | premium | premium |
| Jack Sanford | 1956-09-16 | boxscore | 27.128 | P | 6-0 | 190 | R | R | 1929-05-18 | Wellesley Hills,MA | MLB | 1956-1967 | 1956-1967 | | premium | premium | premium |
| Pat Scantlebury | 1956-04-19 | boxscore | 38.169 | P | 6-1 | 180 | L | L | 1917-11-11 | Gatun,PN | MLB | 1956-1956 | 1956-1956 | | premium | premium | premium |
| Norm Siebern | 1956-06-15 | boxscore | 22.330 | 1B-OF | 6-3 | 205 | L | R | 1933-07-26 | St. Louis,MO | MLB | 1956-1968 | 1956-1968 | | premium | premium | premium |
| Dave Sisler | 1956-04-21 | boxscore | 24.194 | P | 6-4 | 200 | R | R | 1931-10-16 | St. Louis,MO | MLB | 1956-1962 | 1956-1962 | | premium | premium | premium |
| Lou Skizas | 1956-04-19 | boxscore | 23.327 | OF-3B | 5-11 | 175 | R | R | 1932-06-02 | Chicago,IL | MLB | 1956-1959 | 1956-1959 | | premium | premium | premium |
| Hal Smith | 1956-05-02 | boxscore | 24.342 | C | 5-11 | 189 | R | R | 1931-06-01 | Barling,AR | MLB | 1956-1965 | 1956-1965 | | premium | premium | premium |
| Gordie Sundin | 1956-09-19 | boxscore | 18.349 | P | 6-4 | 215 | R | R | 1937-10-10 | Minneapolis,MN | MLB | 1956-1956 | 1956-1956 | 1955- UDFA -BAL | premium | premium | premium |
| Ralph Terry | 1956-08-06 | boxscore | 20.215 | P | 6-3 | 195 | R | R | 1936-01-09 | Big Cabin,OK | MLB | 1956-1967 | 1956-1967 | | premium | premium | premium |
| Frank Torre | 1956-04-20 | boxscore | 24.118 | 1B | 6-3 | 205 | L | L | 1931-12-30 | Brooklyn,NY | MLB | 1956-1963 | 1956-1963 | | premium | premium | premium |
| Bob Trowbridge | 1956-04-22 | boxscore | 25.306 | P | 6-1 | 190 | R | R | 1930-06-27 | Hudson,NY | MLB | 1956-1960 | 1956-1960 | | premium | premium | premium |
| Ozzie Virgil | 1956-09-23 | boxscore | 24.135 | 3B | 6-0 | 175 | R | R | 1932-05-17 | Monte Cristi,DR | MLB | 1956-1969 | 1956-1969 | 1953- UDFA -NY1 | premium | premium | premium |
| George Werley | 1956-09-29 | boxscore | 18.026 | P | 6-2 | 196 | R | R | 1938-09-08 | St. Louis,MO | MLB | 1956-1956 | 1956-1956 | | premium | premium | premium |
| Bill White | 1956-05-07 | boxscore | 22.105 | 1B | 6-0 | 195 | L | L | 1934-01-28 | Lakewood,FL | MLB | 1956-1969 | 1956-1969 | | premium | premium | premium |
| Ed Winceniak | 1956-04-25 | boxscore | 27.016 | 3B-SS | 5-9 | 165 | R | R | 1929-04-16 | Chicago,IL | MLB | 1956-1957 | 1956-1957 | | premium | premium | premium |
| Hal Woodeshick | 1956-09-14 | boxscore | 24.027 | P | 6-3 | 200 | R | L | 1932-08-24 | Wilkes-Barre,PA | MLB | 1956-1967 | 1956-1967 | | premium | premium | premium |
| Roy Wright | 1956-09-30 | boxscore | 23.010 | P | 6-2 | 170 | R | R | 1933-09-26 | Buchtel,OH | MLB | 1956-1956 | 1956-1956 | | premium | premium | premium |
| 88 record(s) |