PEORIA, Ariz. — Two of the most meaningful outings thrown by Padres pitchers this spring took place on a Peoria Sports Complex back field Tuesday morning, 20 minutes apart.
In that 20-minute span, all the optimism surrounding an encouraging showing from Dinelson Lamet faded when left-handed reliever José Castillo exited his simulated game after six pitches because of forearm tightness. Castillo, who has pitched only one game over the past two seasons because of an assortment of injuries, will be re-evaluated on Wednesday, the team said.
It was Lamet who took the mound first, facing hitters for the first time since he exited his last start of the season against the Giants last September. The Padres have been building Lamet slowly this spring. He had a platelet-rich plasma injection in October and said doctors told him his late-season shutdown last year would help him avoid Tommy John surgery.
Lamet was clearly thrilled to be back on the mound Tuesday, even if he was shaking off some rust. He threw 15 pitches, including three or four changeups, but no sliders. (He’s been throwing sliders regularly in his bullpen sessions, but the team asked him to hold off on Tuesday.)
Lamet, whose fastball sat at 96 mph, allowed singles to teammates Jorge Mateo and Tucupita Marcano and induced a couple whiffs. When he finished his day with a high heater to Marcano, he leapt off the mound in a rare show of…