So, What the Heck Happened to Jason Heyward? - The Ringer
Heyward Clarifies Thoughts on Leaving Cardinals, Wainwright Has Thoughts, Too - Bleacher Nation
Examining the Jason Heyward trade, one year later - Battery Power
How Dodgers outfielder Jason Heyward's good fortune reveals where Cardinals are faulty
Jason Heyward doesn't care if Cardinals fans boo: 'That means they weren't happy to see me leave
Hochman: Cardinals should re-sign Heyward
Free Agent Profile: Jason Heyward - MLB Trade Rumors
Jason Heyward has a $200 million offer from a mystery team
Atlanta Braves trade Jason Heyward to Cardinals - Battery Power
November 17, 2014: Cardinals trade for Jason Heyward following Oscar Taveras's passing
Chicago Cubs are set to release Jason Heyward after the season. Why the time is right for both sides to move on. – Orlando Sentinel