St. Louis Cardinals send Tyler O'Neill down
Mariners send top prospect O'Neill to Cardinals for Gonzales
Mariners Flip Tyler O'Neil for Marco Gonzales: Yawn or Yay?
The case for Tyler O'Neill as a starting outfielder - Viva El Birdos
Mariners, Cardinals swap Tyler O'Neill for Marco Gonzales - MLB Daily Dish
Mariners trade prospect Tyler O'Neill to Cardinals for LHP Marco Gonzales - Seattle Sports
The Cardinal Nation staff
The emergence of Tyler O'Neill
Seattle Mariners, St. Louis Cardinals swap Tyler O'Neill, Marco Gonzales
Cardinals acquire Tyler O'Neill from Mariners
Cardinals acquire Tyler O'Neill from Mariners