Seattle Mariners Executive Vice President & General Manager Jerry Dipoto announced the following roster move at the Mariners Major League spring camp Wednesday.
Release (1):
Right-Handed Pitcher (1): Justin De Fratus
Today's roster move leaves the Mariners with 49 players in their Major League camp: 38 roster players, 9 non-roster invitees, and 2 players on the 60-day disabled list.
Here is a look at the club's current spring roster:
Right-handed Pitchers
49      ARO, Jonathan
53      BENOIT, Joaquin
31      CISHEK, Steve
39      COLEMAN, Casey*
29      COOK, Ryan 60-day DL
48      GUAIPE, Mayckol
34      HERNANDEZ, Felix
18      IWAKUMA, Hisashi
13      KARNS, Nathan
57      MARTIN, Cody
50      PARKER, Blake*
62      PERALTA, Joel*
63      ROACH, Donn*
61      SAMPSON, Adrian*
58      SCRIBNER, Evan
44      WALKER, Taijuan
47      WIELAND, Joe
55      ZYCH, Tony
Left-handed Pitchers
41      FURBUSH, Charlie
20      MILEY, Wade
37      MONTGOMERY, Mike
38      NUÑO, Vidal
65      PAXTON, James
59      ROLLINS, David
Catchers
28      BARON, Steven
67      BRANTLY, Rob
32      CLEVENGER, Steve
33      IANNETTA, Chris
2        SUCRE, Jesus 60-day DL
3        ZUNINO, Mike
Infielders
22      CANÓ, Robinson
56      LEE, Dae-Ho*
26      LIND, Adam
5        LUCAS, Ed*
4        MARTE, Ketel
10      MONTERO, Jesus
68      NAVARRO, Efren*
36      O'MALLEY, Shawn
16      SARDIÑAS, Luis
15      SEAGER, Kyle
1        TAYLOR, Chris
Outfielders
8        AOKI, Norichika
23      CRUZ, Nelson (OF/DH)
21      GUTIERREZ, Franklin
12      MARTIN, Leonys
40      POWELL, Boog
99      ROBERTSON,Daniel*
17     ROMERO, Stefen
7        SMITH, Seth
* -- NON-ROSTER INVITEE