The unthinkable for Dodgers Nation is only two years away, when Clayton Kershaw will be 30 years old and eligible for free agency by opting out of his contract. The ace will have already watched Zack Greinke leave the Dodgers last offseason after one of the best seasons of his career, perhaps followed by Kenley Jansen, the best closer in the league in 2016 and the franchise save leader.