Ruiz (wrist) underwent right knee arthroscopic surgery Tuesday, Martin Gallegos of MLB.com reports.

The Athletics transferred Ruiz (wrist) to the 60-day injured list Wednesday.

Manager Mark Kotsay said Saturday that Ruiz (wrist) will not return this season, Martin Gallegos of MLB.com reports.

Ruiz (wrist) was pulled off his rehab assignment Saturday, Martin Gallegos of MLB.com reports.

Ruiz (wrist) started in center field and played nine innings in the ACL Athletics' extra-inning loss to the ACL Brewers on Tuesday, going 0-for-4 with three strikeouts.

Ruiz (wrist) took a full game's worth of plate appearances at designated hitter for Single-A Stockton against Rancho Cucamonga on Friday, going 1-for-2 with a three-run double, two walks and a run. He was also caught stealing on his only attempt.

Ruiz (wrist) started and played seven innings in center field during Single-A Stockton's loss to Rancho Cucamonga on Thursday, going 2-for-4 with a double and two runs.

Ruiz (wrist) will begin his rehab assignment with Single-A Stockton on Tuesday, Martin Gallegos of MLB.com reports.

Ruiz (wrist), who's resumed swinging a bat, could begin running the bases at some point during the week of July 8, MLB.com reports.

Ruiz (wrist) has progressed to swinging off a tee, MLB.com reports.