The ink on Nolan Arenado’s eight-year, $260-million contract extension has been dry for only seven months. However, a rapid Rockies decline in 2019 accelerated the chatter surrounding Arenado’s looming decision: Stick with Colorado and likely retire as a Rockie, or exercise a player opt-out clause after the 2021 season and hit the free-agent market? “If there’s a list of issues we need to deal with, that’s like No.