It was time
Joel Peralta was a non-roster Spring Training invitee, at the age of 39, at the very end of his career. He was looking for a chance, and the Mariners gave him one. He seized it, and pitched well enough during the Cactus League to break camp in a thin and injury-riddled Mariner bullpen.
When Joaquin Benoit went on the DL in April, it was Peralta who was given the role of Steve Cishek's set up man. Despite throwing exactly zero major league plus pitches, Peralta's now 40-year old arm gave the Mariners almost one month of just-effective-enough relief.