Kirilloff announced his retirement from professional baseball Thursday.
Kirilloff (back) will start a rehab assignment with Triple-A St. Paul on Friday, Do-Hyoung Park of MLB.com reports.
The Twins transferred Kirilloff (back) from the 10-day injured list to the 60-day IL on Tuesday.
Kirilloff's option to Triple-A St. Paul was rescinded Tuesday as the Twins placed him on the 10-day injured list due to back soreness and nerve issues, Dan Hayes of The Athletic reports.
Kirilloff is absent from the lineup for Wednesday's game against the Rockies.
Kirilloff is not in the lineup for Friday's game in Pittsburgh.
Kirilloff isn't in the Twins' lineup Wednesday against the Yankees.
Kirilloff is not in the starting lineup Saturday versus the Astros.
Kirilloff is out of the lineup for Thursday's game against the Royals.
Kirilloff is out of the lineup for Tuesday's game against Kansas City.