Corbin struggled in 2016, going 5-13 with a career-worst 5.15 ERA in 36 games, 24 of them starts. He was taken out of the starting rotation in August and finished the season in the bullpen. The 27-year-old made $2,525,000 last year in his first year of arbitration eligibility.
Delgado made a team-high 79 appearances for the D-backs in relief last season, with a 4.44 ERA and 68 strikeouts in 75 innings. The 26-year-old will be entering his fifth season with the D-backs.
Owings had his best big league season to date in 2016, hitting .277/.315/.416 in 119 games with five home runs, 49 RBIs, 21 steals and a Major league-leading 11 triples.