Donald George Dunster
- Bats Right, Throws Right
- Height 6' 3", Weight 210 lb.
- School Mission College, St. Mary's College of California
- Born July 30, 1963 in San Jose, CA USA
Originally drafted by the Chicago White Sox in the first round of the 1983 January Regular-Phase Draft, Dunster refused to sign. He was then drafted by the Astros in the fourth round of the 1984 amateur draft, signing and beginning his professional career that season.
In 15 starts with the Auburn Astros, the right-hander went 5-7 with a 3.28 ERA. He tied for second in the New York-Penn League in losses, behind William Cooper's nine, while also tying for second in games started and third in hit by pitch.
He spent a second year with the Low-A Auburn club in 1985, going 5-5 with a 3.61 ERA in 15 starts. He tied Wayne Wilson for third in the league in hits allowed, with 101.
With the Auburn Astros in 1986, Dunster went 10-9 with a 4.06 ERA in 26 starts. He paced the Florida State League in hits allowed (185) and tied for the league lead in games commenced. He was third in runs allowed (92).
1987 was split between Osceola (7-4, 2.50 ERA, 17 starts) and the Columbus Astros (4-5, 4.76 ERA, 11 starts), for a combined 11-9 with nine complete games, three shutouts and a 3.26 ERA in 28 starts. In 190 1/3 innings, he walked only 40 batters while allowing only 69 earned runs and 181 hits.
In 1988, he went 9-12 with a 3.51 ERA in 31 games (27 starts) for Columbus. He wrapped up his career in 1989, appearing in four games for the Triple-A Tucson Toros, going 0-1 with a 7.31 ERA.
Overall, he went 40-43 with a 3.63 ERA in 119 games (113 starts).
He is the only known professional baseball player to have the surname "Dunster."