In 2019, Valencia native compiled a 9-8 record with a 3.86 era. He finished second in the Boston chain in wins (3 behind Kyle Hart) and sixth in strikeouts (118) behind Enmanuel De Jess (between Brayan Bello and Reyes).
On the other hand, his minor leaguers were outdone by his 19 hits by batsmen.
The Carolina League’s 4th-place finisher in wins, 4th in strikeouts, and 7th in ERA, he also hit the most batters (two more than Zach Lewis) (between Juan Hillman and Javier Assad).
He posted a 4.35 ERA in eight relief appearances with the Peoria Javelinas of the Arizona Fall League, with 16 strikeouts in 10 1/3 innings.
The COVID-19 outbreak forced the cancellation of the 2020 minor league season. The Los Angeles Angels of Anaheim signed him as a free agent after he had become a former player.
To cap off a successful start in 2021, he was selected to play for Venezuela in the Americas Olympic Qualifier (1-0, 2.30 after four games).
His two outings resulted in a 2-2 split in the outcome. He relieved Adrián Almeida with a 4-3 lead in the sixth inning against Cuba. A fly to Erisbel Arruebarruena scored Yadir Drake and Yosvani Alarcón.
A forceout was called on Roel Santos and Yadir Mujica in the 7th inning after Dayán Garca was retired.
Machado was relieved and Jhonathan won the game for Venezuela in a 6-5 triumph, their first over Cuba since the 1953 Amateur World Series.
The other time he started, he only lasted 1 2/3 innings until Danny Rondón took over after allowing five hits, two runs, and three unearned runs (while striking out one, Diego Goris).
He lost 14-4 to Enny Romero in the first round. However, despite not qualifying for the Olympics, Venezuela made it to the Final Olympic Qualifying round.
Where Is Jhonathan Diaz From?
Jhonathan Diaz is from Valencia, Venezuela.