Astros prospect J.J. Matijevic suspended 50 games for drug violation
JJ Matijevic returns to baseball, says he learned lesson during
Astros prospect J.J. Matijevic suspended 50 games for drug violation
What the Heck, Bobby?: August 2017
Former Arizona baseball standout JJ Matijevic suspended for failed
Astros prospect J.J. Matijevic suspended 50 games for drug violation
Astros prospect J.J. Matijevic suspended 50 games for drug violation
What the Heck, Bobby?: June 2018
Author: Eric Longenhagen and Kiley McDaniel
Matijevic suspended 50 games after 2nd positive test - ESPN
Astros County: Your Neighborhood Astros Blog & Grill: 2018-04-01