Luke Weaver’s dramatic midseason turnaround makes him a strong holds-league addition while saves-only managers should remain patient for role changes. Luke Weaver's sustained velocity gains transformed his season into one baseball's most compelling midyear pitching turnarounds.Brad Penner-Imagn Images For Luke Weaver, it has truly been the tale of two seasons. The Mets’ one-inning relief specialist had a rough start to his 2026 campaign, posting a 7.20 ERA for April.