Chris Sale will not opt out, so he's under contract with Red Sox for two more seasons - The Boston Globe
Chris Sale's Massive Contract Extension Looks Impossibly Bad Four Years Later
Red Sox Acquire Chris Sale In Exchange For Yoan Moncada, Michael Kopech, Two Others - MLB Trade Rumors
cs565-project/data/test_with_solutions.csv at master · gitcheckout/cs565-project · GitHub
3 Boston Red Sox contracts we were happy to see end, and 2 we're eager to see expire
Why Chris Sale's Expected To Bounce Back Next Season In Red Sox Rotation - Sports Illustrated Inside The Red Sox
dexter-datasets/entity-saliency/saliency-dataset.json at master · dexter/dexter-datasets · GitHub
Chris Sale will opt in to Red Sox contract, remain in Boston two more years – NBC Sports Boston
Chicago White Sox: Revisiting the Chris Sale trade from 2016