(four starts). His stats for the season were an 9–9 win–loss record, 96 strikeouts, and a 4.19 ERA in 163.1 innings. Cormier started with El Paso, going 2–3 with a 2.29 ERA in 10 games, including one of his best games on May 6, where he allowed two hits in seven innings and struck out 10. In May, he was promoted to Triple-A Tucson, where he went 1–1 with a 1.77 ERA in three starts. On June 18, he was called up to the big leagues when pitcher José Valverde was placed on the disabled list. Cormier's first major league start was on June 19 against the Tampa Bay Devil Rays and he took the loss, allowing seven runs on six hits in 1.1 innings as the Devil Rays went on to win 11–4. After the game, he was sent back down to Tucson, where he was elected the Diamondbacks Minor League Pitcher of the Month for June. After being brought back up to the majors in July, he recorded his first big-league RBI on July 24. On July 29, Cormier beat the Houston Astros, 6–4. He pitched six innings while striking out five, and recorded his first major league hit. He made a move to the bullpen after losing his next two games. From August 29 to September 11, batters only hit .136 off Cormier. In his first Major League action, he was 1–4 with an 8.14 ERA in 17 games (five starts). In , Cormier appeared in 67 games for the Diamondbacks, going 7–3 with a 5.11 ERA. His seven wins tied for fourth place among National League relief pitchers. He pitched 18 scoreless innings at the beginning of the season, and on April 29, he recorded a career-high four strikeouts against the San Diego Padres. He compiled a 1.04 ERA in his last nine games of the season. Atlanta Braves On December 7, 2005, Cormier was traded to the Atlanta Braves along with pitcher Óscar Villarreal for catcher Johnny Estrada. He made his first appearance for the Braves on April 3, . After being demoted to the Richmond Braves on August 21, Cormier was called back up to the big league team four days later on August 25. Cormier suffered an injury during spring training which kept him out for the season's first two months. In his season debut on June 3, he allowed eight earned runs