Like Minnesota, the Houston Astros already possess a premier starting catcher in Yainer Diaz, who ranked fourth in wRC+ among qualified big-league catchers (min. 300 plate appearances) a season ago. But they too could look to shed an expiring contract in Caratini, who'll begin the final campaign of a two-year, $12-million contract, clearing a pathway for left-handed backstop César Salazar. -Hall