Looking back on the Cardinals Marco Gonzales-Tyler O'Neill trade

The Cardinals trade deadline to-do list: Build for the future

Getting to Know: Marco Gonzales, by Mariners PR

The Mariners and Cardinals make a minor trade - NBC Sports

Cardinals make prospect O'Neill weight — Canadian Baseball Network

One-time Mariners prospect Tyler O'Neill's trade to Cardinals was 'wakeup call' for him

Baseball Twitter intrigued by possible trade talks between Seattle Mariners and St. Louis Cardinals: Watch this space Oh man here we go

Cardinals 2020 breakout candidate: Tyler O'Neill - The Athletic

Mariners trade top prospect Tyler O'Neill for Cards' Marco Gonzales - Newsday

40 in 25: Marco Gonzales - Lookout Landing

Cardinals score nine runs in eighth, cool off Cubs with 11-4 win