| Derek Aucoin | |
| Position: | Pitcher |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | 27 March 1970 |
| Birth Place: | Lachine, Quebec, Canada |
| Death Place: | Montreal, Quebec, Canada |
| Debutleague: | MLB |
| Debutdate: | May 21 |
| Debutyear: | 1996 |
| Debutteam: | Montreal Expos |
| Finalleague: | MLB |
| Finaldate: | May 25 |
| Finalyear: | 1996 |
| Finalteam: | Montreal Expos |
| Statleague: | MLB |
| Stat1label: | Win–loss record |
| Stat1value: | 0–1 |
| Stat2label: | Earned run average |
| Stat2value: | 3.38 |
| Stat3label: | Strikeouts |
| Stat3value: | 1 |
| Teams: | |
Derek Alfred Aucoin (27 March 1970 – 26 December 2020) was a Major League Baseball pitcher. Aucoin pitched in two games for the Montreal Expos in the 1996 season. He had a 0–1 record, in 2.2 innings, with a 3.38 ERA. He died from brain cancer on 26 December 2020 at the age of 50.[1]
He was signed by the Montreal Expos as an amateur free agent in 1989.
In his first professional season,, with the Gulf Coast League Expos he went 2–1 with a 2.66 ERA in seven games, three starts.
While with the Short-Season Jamestown Expos in Aucoin compiled a record of 1–3 with a 4.46 ERA in eight games, all starts.
His next two seasons, and, were spent at the Class-A level. In 1991, he went 3–6 with a 4.28 ERA in 41 games, four starts with the Sumter Flyers. In 1992, he went 3–2 with a 3.00 ERA in 39 games, two starts with the Rockford Expos.
Aucoin was promoted to the Advanced-A West Palm Beach Expos in . He compiled a record of 4–4 with a 4.24 ERA in 38 games, six starts.
In Aucoin split the season between West Palm Beach and the Double-A Harrisburg Senators of the Eastern League He went a combined 3–4 with a 2.82 ERA in 38 games. Staying at Harrisburg in he went 2–4 with a 4.96 ERA in 29 games.
Aucoin split the season between the Expos and the Triple-A Ottawa Lynx of the International League. With Ottawa, he went 3–5 with a 3.96 ERA in 52 games. On 21 May he made his Major League debut against the San Francisco Giants. In of an inning, he gave up one earned run and registered a loss. He would finish his Major League Career going 0–1 with a 3.38 ERA in two games.
With West Palm Beach and Ottawa in he went a combined 0–1 with a very poor 11.37 ERA through 25 games.
In his final season,, Aucoin split the season between the Gulf Coast League Mets, the Advanced-A St. Lucie Mets, the Double-A Binghamton Mets and the Triple-A Norfolk Tides. He went a combined 1–0 with a 6.21 ERA in 28 games.
In April 2011, Derek married Isabelle Rochefort. They had a son, Dawson Paul Aucoin, named after Hall of Fame player Andre Dawson.