Former Cubs ace Jake Arrieta says he's retiring – The Breeze-Courier
How Cubs hope to leverage Jake Arrieta's comfort into bounce-back season – NBC Sports Chicago
Jake Arrieta - Wikipedia
Arrieta returns to form, but Cubs fall to Mets 2-1
Jake Arrieta: Former Chicago Cubs ace, 36, retires
Former Cubs ace, Cy Young winner Jake Arrieta retires at age 36
Former Cubs ace Jake Arrieta says he's retiring
Former Cubs pitcher Jake Arrieta officially retires from baseball – NBC Sports Chicago
Jake Arrieta: Former Chicago Cubs ace, 36, retires
Padres Sign Jake Arrieta - MLB Trade Rumors
Giants shut down by Arrieta in 8-1 loss to Cubs