OAKLAND, Calif. -- The Oakland A’s optioned left-handed pitcher Wei-Chung Wang and outrighted catcher Dustin Garneau to Triple-A Las Vegas, the club announced today.

Wang was selected from Las Vegas May 25 and was 1-0 with a 3.33 ERA and .227 opponents batting average in 20 relief appearances with Oakland. He logged a 1.47 ERA over his first 14 games but has allowed seven runs over his last six appearances and 8.2 innings for a 7.27 ERA. Wang started the year at Las Vegas and was 1-1 with a save and a 3.75 ERA in 16 relief appearances.

Garneau was designated for assignment on Friday, cleared waivers today and accepted an outright assignment to Las Vegas. He was claimed off waivers from the Los Angeles Angels Aug. 3 and went 5-for-17 (.294) with a home run and seven RBI in seven games with the A’s. Garneau also hit .232 with the Angels and .229 with six home runs and 13 RBI in 26 games with Triple-A Salt-Lake.