Casilla has lock on ninth-inning duties

Giants pitcher Santiago Casilla discusses the 2016 season and Carne Asada from Scottsdale StadiumHowever, a sure way to prompt reaction on social media, radio talk shows or anywhere the Giants are discussed is to suggest that Casilla is somehow inadequate and must be replaced as the team's closer.

Opening Day coverageTry Hunter Strickland in the ninth inning. His fastball hovers at 97-98 mph. Now there's a closer. Or restore the responsibility to Sergio Romo. After all, he has that cool entrance music. Heck, just sign the batboy. It's as easy as ABC -- Anybody But Casilla.

The Giants themselves, though, maintain complete faith in the 35-year-old Casilla. He'd have to endure a pronounced slump…