The Arizona Diamondbacks are moving off their established closer. Mandatory Credit: David Frerker-Imagn Images | IMAGN IMAGES via Reuters ConnectConfidence level: High26-year-old left-hander Brandyn Garcia has an elite 2.17 ERA and peripherals in the upper 1.00s. RHP Juan Morillo (2.68 ERA)Jul 21, 2026; Phoenix, Arizona, USA; Arizona Diamondbacks pitcher Juan Morillo against the Athletics at Chase Field. RHP Taylor Clarke (2.23 ERA)Jul 3, 2026; Phoenix, Arizona, USA; Arizona Diamondbacks pitcher Taylor Clarke celebrates against the Milwaukee Brewers at Chase Field. RHP Ryan Thompson (4.38 ERA)Jul 26, 2026; Washington, District of Columbia, USA; Arizona Diamondbacks pitcher Ryan Thompson (81) pitches against the Washington Nationals during the sixth inning at Nationals Park.