Hochman: What we've learned about Tyler O'Neill. And Cardinals manager Oliver Marmol.
Cards' Oliver Marmol rips Tyler O'Neill's 'unacceptable' effort - ESPN
3 post-MLB trade deadline moves the Cardinals must make
O'Neill not in St. Louis lineup after Marmol criticizes play - NBC Sports
Cardinals lose second straight against Cubs
Cardinals Have Clubhouse Beef After Manager Calls Out Tyler O'Neill's Effort - Bleacher Nation
Tommy Edman's 2 homers power the Cardinals to a 5-4 win over the Royals - Newsday
Hochman: What we've learned about Tyler O'Neill. And Cardinals manager Oliver Marmol.
Gordo: Retooled Cardinals pitching staff could deliver collective success