5 G, 11 IP, 0-1 W-L, 7.36 ERA, 19.6 K%, 10.9 BB%, -0.2 fWAR
De Los Santos had good strikeout numbers, and successfully closed out a win against the Nationals with two scoreless innings.
After a strong showing in the minors in 2018, EDLS began the 2019 season in AAA, but was believed to be one of the top backup options if any of the major league starters faltered. The starters certainly faltered, but the team seemed very reluctant to call upon him.
After working as a starter in the minors, he was brought up for two brief stints as a major league reliever.