Cardinals notebook: After rainout, Steven Matz pitches indoors
Cardinals' Matz leaves with shoulder stiffness after four pitches Sunday
Steven Matz Throws Simulated Game and Could Start Game 4 for Mets - The New York Times
Cardinals' Miles Mikolas named to National League All-Star team
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Cardinals place Steven Matz on 15-day IL, will give Adam Wainwright another start
A Deep Dive Into Steven Matz's Last Start - Viva El Birdos
Guardians report no new COVID-19 cases that prompted postponement of Wednesday's road game vs. White Sox - The Boston Globe
Cardinals' Matz leaves with shoulder stiffness after four pitches Sunday
Florida Ben's Biz Blog
Cardinals' Mikolas, unable to go to All-Star Game in 2018, is added to NL team