| Gary Wagner | |
| Position: | Pitcher |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | 28 June 1940 |
| Birth Place: | Bridgeport, Illinois, U.S. |
| Debutleague: | MLB |
| Debutdate: | April 18 |
| Debutyear: | 1965 |
| Debutteam: | Philadelphia Phillies |
| Finalleague: | MLB |
| Finaldate: | September 26 |
| Finalyear: | 1970 |
| Finalteam: | Boston Red Sox |
| Statleague: | MLB |
| Stat1label: | Win–loss record |
| Stat1value: | 15–19 |
| Stat2label: | Earned run average |
| Stat2value: | 3.70 |
| Stat3label: | Strikeouts |
| Stat3value: | 174 |
| Teams: |
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Gary Edward Wagner (born June 28, 1940) is an American former professional baseball right-handed pitcher, who played in Major League Baseball (MLB) for the Philadelphia Phillies and Boston Red Sox from to .
Wagner, a native of Bridgeport, Illinois, graduated from Bridgeport High School. He attended Eastern Illinois University and signed with the Phillies in 1962. Listed as 6feet tall and, Wagner spent three years in the Philadelphia farm system before making the Phillies in 1965.
Wagner was primarily a relief pitcher during his MLB career, with only four starting assignments among his 162 total games pitched. During his rookie campaign with the 1965 Phillies, he made a career-high 59 appearances and earned seven saves. He also set career bests in games won (seven) and lost (seven). Wagner split both and between the Phils and Triple-A San Diego. But in, he played a full season with Philadelphia, and was credited with eight saves, his personal best.
In May of, Wagner again was demoted to Triple-A and spent much of the campaign with Triple-A Eugene, winning 11 games. Then, in September, he was traded to the Red Sox, for whom he played until the end of the 1970 season. When 1971 began he was released by the Red Sox. He signed with the Montreal Expos' organization, played for almost two months in their system, then was released again. Boston picked him up in late May and assigned him to Triple-A, but released him again on July 5, ending his professional baseball career. As a major leaguer, Wagner worked in 267 innings pitched, allowing 250 hits and 126 bases on balls; he struck out 174 and was credited with 22 saves.
Wagner has a wife, Freddie Jean, and three sons, Gary Jr. (b. 1963), Anthony (1966) and Craig (1970). He now resides in Seymour, Indiana, with his wife. He has seven grandchildren and plays golf regularly at Otter Creek Golf Course in Columbus, Indiana.