According to Passan, the right-handed reliever agreed to a one-year contract "in the $11-12 million range" pending his physical.
Robertson spent last season with the New York Mets before he was traded midseason to the Miami Marlins, notching 78 strikeouts, a 3.03 ERA and 18 saves on the year. The 15-year veteran has 175 saves in his career.
This article will be updated soon to provide more information and analysis.