What does Robinson Canó have left in the tank?

Photo by Alejandra Villa Loarca/Newsday RM via Getty ImagesThe story of the Mets and Robinson Canó is a strange one, and has never been stranger than it is right now. The expensive add-on to the Edwin Diaz/Jarred Kelenic trade, the Mets are hoping that Canó, coming off a year-long suspension for performance enhancing drug use, can be a useful and productive piece for the team. This will likely come in the form of being the team’s primary designated hitter, as well as being a bench piece and a reserve second baseman. But is this a realistic expectation for the former future Hall of Famer?

Canó is 39-years old, and has not played more than 107 games in a season since 2017, losing half of 2018…