| Mark Schaeffer | |
| Position: | Pitcher |
| Bats: | Left |
| Throws: | Left |
| Birth Date: | 5 June 1948 |
| Birth Place: | Santa Monica, California, U.S. |
| Death Place: | Los Angeles, California, U.S. |
| Debutleague: | MLB |
| Debutdate: | April 18 |
| Debutyear: | 1972 |
| Debutteam: | San Diego Padres |
| Finalleague: | MLB |
| Finaldate: | September 26 |
| Finalyear: | 1972 |
| Finalteam: | San Diego Padres |
| Statleague: | MLB |
| Stat1label: | Win–loss record |
| Stat1value: | 2–0 |
| Stat2label: | Earned run average |
| Stat2value: | 4.61 |
| Stat3label: | Strikeouts |
| Stat3value: | 25 |
| Teams: | |
Mark Philip Schaeffer (June 5, 1948 – June 1, 2022) was an American professional baseball player.[1] He played in Major League Baseball as a left-handed pitcher for the San Diego Padres in .[1] He batted and threw left-handed.
Schaeffer was born in Santa Monica, California, and attended Grover Cleveland High School in Reseda, California.[1] He was drafted by the Boston Red Sox in the second round of the 1966 Major League Baseball draft.[2] He was traded along with Derrel Thomas and Bill Greif from the Astros to the Padres for Dave Roberts on December 3, 1971.[3] Schaeffer made his major league debut on April 18, 1972, at the age of 23 with the San Diego Padres.[1]
Schaeffer was strictly a relief pitcher in MLB (41 appearances, zero starts). On July 29, 1972, during a 17 inning, 4–3 victory over the Reds, Schaffer picked up his lone MLB save by retiring the final batter of the game.[4]
Schaeffer died June 1, 2022.[5]