He was previously a pitcher in Major League Baseball (MLB) for the Colorado Rockies and Chicago Cubs.

From the town of Aguas Benditas-Chilibre, Panama, Corpas was signed by the Colorado Rockies at the age of 16 as an amateur free agent in 1999.

Following the All-Star Break in 2007, Corpas filled in as closer for Brian Fuentes, who was demoted after taking four of eight losses during an 8-game losing skid.

Corpas finished the year with a 4–2 win–loss record, a 2.08 earned run average, and 19 saves in 22 chances; he continued to serve as the Rockies' closer during the 2007 postseason.

On December 22, 2011, After missing the entire 2011 season due to Tommy John surgery, Corpas signed a one-year deal with the Chicago Cubs.

[10] On April 2, 2015, Corpas signed with the Diablos Rojos del México of the Mexican Baseball League.

Corpas appeared in 1 game of relief throwing 3 innings giving up 4 hits 1 earned run (3.00 ERA) and 5 strikeouts with the Bakersfield Train Robbers of the Pecos League.

[11] On June 26, 2021, Corpas came out of retirement to sign with the West Virginia Power of the Atlantic League of Professional Baseball.

On February 23, 2022, Corpas signed with the Martinez Sturgeon of the Pecos League as both a player and their field manager.

[16] On February 20, 2024, the Hagerstown Flying Boxcars of the Atlantic League of Professional Baseball announced that Corpas would be the team's pitching coach for the 2024 season.