Diekman is expected to finalize a multi-year contract with the Red Sox during the upcoming week, pending a physical, Chris Cotillo of The Springfield Republican reports.
The exact details of Diekman's deal with Boston aren't known, but he'll give the team a much-needed lefty reliever out of the bullpen. While with the Athletics in 2021, Diekman posted a 3.86 ERA, .211 batting average against and 1.34 WHIP over 60.2 innings while fanning 31.7 percent of batters faced.