Joan Adon made two appearances in relief early in 2023, then 10 starts down the stretch in which the Nationals’ 25-year-old right-hander put up a 6.56 ERA, a 4.65 FIP, 4.18 BB/9, 8.36 K/9, and a .294/.374/.479 line against in 46 2⁄3 innings.
“Even when he was coming out of the bullpen for us earlier,” manager Davey Martinez told reporters late last year, “I saw a big difference in him.
“His demeanor, his maturity, and he went back down [to the minors], he worked on some things we asked him to do, and now he’s getting an opportunity to pitch every five or six days, and has done well.