What if the Mariners traded FOR Tyler O'Neill this time?
Benintendi trade to Cardinals might make sense, per MLB.com reporters
Cardinals' Burleson laments at-bat altered by umpire's calls
Cardinals acquire Mariners top prospect Tyler O'Neill for Marco Gonzales
Cardinals Prospect Jordan Walker is Making a Convincing Case to Start 2023 in the Majors - New Baseball Media
Cardinals outfielder Tyler O'Neill talks after big opening day performance
MLB: Red Sox Trade Targets — Arizona Outfielders, by Jake T. O'Donnell
If Tyler O'Neill becomes available, he'd fit perfectly on the Blue Jays - BlueJaysNation
Who is Tyler O'Neill? - Viva El Birdos
MLB trade deadline preview: Righty-hitting outfielders who could be fits for the Phillies
Seattle Mariners Offseason Primer: Who could be on their radar? - Seattle Sports
Top MLB Prospects Hot Sheet (7/30/18) — College Baseball, MLB Draft, Prospects - Baseball America
Mariners, Cardinals swap Tyler O'Neill for Marco Gonzales - MLB Daily Dish
Five Cardinals to watch as the clock ticks closer to trade deadline