Cubs pitcher Jon Lester speaks up for his friend Jake Arrieta - The Athletic
Jake Arrieta responds to suspicions of PED use
Why some players wonder if Jake Arrieta is making history or make-believe, Chicago Cubs
Jake Arrieta: MLB News, Bio & More - ChicagoSportsHQ
Angels' Huston Street dismisses the idea that Jake Arrieta's rise is PED-related - Los Angeles Times
Cubs' Jake Arrieta calls for stiffer penalties for PED's
MLB News: Padres sign Jake Arrieta for some reason - Beyond the Box Score
Manfred: Science might be behind increase positive drug tests
Jake Arrieta: MLB News, Bio & More - ChicagoSportsHQ