Astros starting pitcher to undergo Tommy John surgery
What is Tommy John surgery? Phillies and Astros pitchers are among hundreds to have it
History of Tommy John surgeries raises questions about Clevinger - The San Diego Union-Tribune
Pitcher performance varies following Tommy John surgery
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Houston Astros Starter Lance McCullers Jr. Out For Season Following Surgery - Sports Illustrated Inside The Astros
Justin Verlander needs Tommy John surgery in Astros blow
MLB News: Jacob deGrom to undergo Tommy John Surgery - Amazin' Avenue
Houston Astros ace Verlander has Tommy John surgery
Twins' Tyler Mahle to undergo season-ending Tommy John surgery - NBC Sports
At 39, proverbial Astros workhorse Justin Verlander becomes Tommy John case study
