Guilbeau was reassigned to minor-league camp Saturday.

Guilbeau (shoulder) is scheduled to pitch in relief in Monday's Cactus League game against the Brewers, Steve Gilbert of MLB.com reports.

Guilbeau (shoulder) cleared waivers and was outrighted to Triple-A Reno, Nick Piecoro of the Arizona Republic reports.

Guilbeau (shoulder) was designated for assignment by the Diamondbacks on Saturday, Steve Gilbert of MLB.com reports.

Guilbeau (shoulder) was claimed off waivers by the Diamondbacks on Saturday.

The Mariners transferred Guilbeau (shoulder) to the 45-day injured list Thursday.

Guilbeau was placed on the 10-day injured list with a strained left shoulder Saturday.

Guilbeau was recalled by the Mariners on Saturday.

Guilbeau was optioned to the Mariners' alternate training site Friday.

Guilbeau has fired a pair of scoreless innings during which he's allowed two hits and recorded a strikeout in a pair of appearances since being recalled from the Mariners' alternate training site Tuesday.