In 24 games (16 starts) between Buies Creek, Corpus Christi, and Chattanooga, he pitched to a 3–11 record with a 3.81 ERA and a 1.34 WHIP.

[4] He split the 2019 minor league season between the Pensacola Blue Wahoos and the Rochester Red Wings, combining to go 6–7 with a 5.47 ERA over 109 innings.

[7] He made his major league debut on September 21 versus the Kansas City Royals, pitching +2⁄3 of an inning.

[8] With the 2020 Minnesota Twins, Alcalá appeared in 16 games, compiling a 2–1 record with 2.63 ERA and 27 strikeouts in 24.0 innings pitched.

[16] On September 10, Alcalá began a rehab assignment with the Low–A Fort Myers Miracle,[17] and was activated from the injured list on October 1.