The Royals have just added a key left-handed bat. Per MLB Network reporter Jon Heyman, Andrew Benintendi will be a part of a three-team trade (pending commissioner Rob Manfred‘s approval) involving the Mets, Royals, and Red Sox. Benintendi will be heading to the Royals, while outfielder Franchy Cordero will head to Boston and outfielder Khalil … More Andrew Benintendi traded to Royals