Francisco Alvarez has been one of the very few bright spots for the Mets this season. The 21-year-old’s performance has given fans a reason to keep paying attention. However, despite his age, the Mets are keeping a close eye on Alvarez’s workload behind the dish as they navigate through the remainder of the 2023 season. “We talk to our guys a lot and understanding [Alvarez’s] output on everything and knowing where a good spot for a catcher is, especially at their age,” manager Buck Showalter said after the Mets’ 7-1 win over the Cardinals Friday night. “I think sometimes, because someone’s young, they think they can play in every inning and every pitch.