Seattle Mariners Executive Vice President & General Manager Jerry Dipoto announced the following roster move at the Mariners Major League spring camp Friday.
Right-handed pitcher Justin De Fratus, who was released by Seattle on March 16, has signed a minor league contract with the club, and been invited to Major League Camp.
Today's roster move leaves the Mariners with 47 players in their Major League camp: 35 roster players, 10 non-roster invitees, and 2 players on the 60-day disabled list.