12/31/2017-2016 Tucson Saguaros left-handed pitcher Carlos Diaz was selected by the Oakland Athletics in the second round (29th overall) of the Triple-A Phase of the MLB Rule 5 Draft. Diaz will be familiar with the Oakland As Forest Green Jerseys as he pitched the 2016 season for the Saguaros and 2017 with the Gary Railcats.

Diaz began the 2017 season by going 2-1 with four saves, four holds and a 3.83 ERA in 21 games (three starts) for the American Association Gary RailCats before signing with the Miami Marlins. The southpaw led all Gary pitchers with a .164 opponents batting average and struck out 62 batters while walking just 17 in 42.1 innings. In 18 relief appearances, Diaz was 2-0 with a 2.30 ERA and 50 strikeouts in 31.1 innings. Diaz didnt allow a run in five appearances between the Gulf Coast League Marlins and the Greensboro Grasshoppers (Class-A). In 6.1 innings, Diaz allowed just three hits and three walks while striking out seven batters and holding opposing hitters to a .130 batting average. Diaz signed with the Cleveland Indians as an international free agent at the age of 20 in 2012 and began his professional baseball career that summer with the Dominican Summer League Indians. In his first season of pro ball, Diaz went 2-5 with a 1.59 ERA in 12 games (11 starts). In 51 innings, Diaz struck out 49 hitters and yielded just 28 hits and 25 walks. In 2013, Diaz went 1-2 with a 7.62 ERA in 11 relief appearances for the Arizona League Indians. The left-hander struck out 15 batters in 13 innings and held opposing hitters to a .255 batting average. In 2016 Diaz resurfaced with the Tucson Saguaros where he was 2-0 with 4 starts and 17 innings pitched, 20 strikeouts and an ERA of 5.29.