The Mariners optioned Vargas to Triple-A Tacoma on Thursday, Shannon Drayer of Seattle Sports 710 AM reports.
The Mariners acquired Vargas and Seby Zavala from the Diamondbacks in exchange for Eugenio Suarez on Wednesday, Ryan Divish of The Seattle Times reports.
The Diamondbacks optioned Vargas to Triple-A Reno on Wednesday.
The Diamondbacks recalled Vargas from Triple-A Reno on Sunday.
Arizona optioned Vargas to Triple-A Reno on Wednesday.
Vargas allowed two walks and hit a batter over a scoreless ninth inning in Thursday's 5-2 loss to the Dodgers.
Vargas won the final spot in the Diamondbacks' bullpen, John Gambadoro of Arizona Sports reports.
Vargas was optioned to Triple-A Columbus on Tuesday.
Vargas was recalled from Triple-A Columbus on Friday, Mandy Bell of MLB.com reports.
Vargas (elbow) was activated from the 60-day injured list and assigned to Double-A Akron on Monday.