A. J. Burnett - Wikipedia
Ranking MLB's starting rotations
Chicago Cubs, Pittsburgh Pirates ready to start anew
AJ Burnett considering retirement after 2013 - MLB Daily Dish
All-Star AJ Burnett: 'Now I can say I've done it all
Worst Free Agent Contracts in Pittsburgh Pirates History
Itching to get back': A.J. Burnett, Russell Martin set to pitch in for Pirates' home opener - The Athletic
Andrew McCutchen Is Thriving in Return to Pittsburgh Pirates - The New York Times
Pitcher A.J. Burnett back with Pittsburgh Pirates on 1-year, $8.5 million deal - ESPN
WAR, what is it good for? Ranking free agents