Released pitcher Jose Mijares; optioned catcher Tucker Barnhart, infielder Eugenio Suarez and outfielder Donald Lutz to Louisville (IL).

Optioned pitchers Dylan Axelrod, Carlos Contreras, Daniel Corcino, Ryan Dennick and David Holmber to Louisville (IL); optioned pitcher Amir Garrett to Dayton (Midwest); reassigned catcher Ramon Cabrera, pitcher Jon Moscot and outfielder Felix Perez to minor league camp.

Agreed to terms with pitcher Aroldis Chapman on a one-year contract; outrighted pitcher Ismael Guillon to Louisville (IL).

Agreed to terms with third baseman Todd Frazier on a two- year contract.

Agreed to a four-year contract extension with catcher Devin Mesoraco.

Agreed to terms with shortstop Zack Cozart and pitcher Mike Leake on one-year contracts.

Claimed pitcher Keyvius Sampson off waivers from the San Diego Padres.