Valera signed with the St. Louis Cardinals as an international free agent in 2010. He was picked up by the Los Angeles Dodgers last season so Zaidi has some familiarity with him.
Then, he was traded from the Dodgers to the Baltimore Orioles as part for of a package for Manny Machado. It should be noted that Valera was not necessarily considered the center piece of said package.
His stay with the Orioles was short-lived. Now, he has a new home:
The Giants have acquired Breyvic Valera from the Baltimore Orioles in exchange for cash considerations.