2020–2022
Santos did not play in a game in 2020 due to the cancellation of the minor league season because of the COVID-19 pandemic. [10] On November 20, 2020, Santos was added to the 40-man roster, in order to be protected from the Rule 5 draft. [11]
On April 22, 2021, Santos was promoted to the major leagues for the first time. [12] He made his MLB debut that day against the Miami Marlins, pitching a scoreless inning of relief, and was the 6th-youngest player in the NL. In the game, he also notched his first two major league strikeouts, punching out Magneuris Sierra and Jazz Chisholm Jr. On April 28, Santos was optioned to the Giants' alternate site in Sacramento to make room for new outfielder Mike Tauchman. [13] He later began his minor league season with the Triple-A Sacramento River Cats.
On June 29, 2021, Santos was suspended 80 games after he tested positive for the banned androgen and anabolic steroid Stanozolol. [14]
He played in 2021 for the Scottsdale Scorpions, for whom he was 0–1 with a 4.15 ERA in 10 relief appearances, and was named an Arizona Fall League Rising Star. [6]
In 2022 playing in the minors for Sacramento and briefly for the ACL Giants Black, he was a combined 1-2 with one save and a 4.63 ERA in 35 games (2 starts) in which he pitched 35 innings. [15] In 2022 with the Giants he made two relief appearances, and in 3.2 innings gave up 3 hits, 3 walks, and had two strikeouts. [15]
On December 19, 2022, Santos was designated for assignment following the signing of Sean Manaea. [16]
