Topa agreed to a one-year deal with the Twins on Friday to avoid arbitration.
The Twins reinstated Topa (elbow) from the 60-day injured list Wednesday.
Topa (knee/elbow) said Tuesday that he feels ready to return after making two rehab appearances with Triple-A St. Paul, Do-Hyoung Park of MLB.com reports.
Topa (knee) was returned from his minor-league rehab assignment Saturday, Do-Hyoung Park of MLB.com reports.
Topa (knee) has thrown six scoreless innings at Triple-A St. Paul during his current rehab assignment, but isn't seen ready to be activted from the injured list due to decreased velocity, Dan Hayes of The Athletic reports.
Topa (knee) will start a rehab assignment with Single-A Fort Meyers on Tuesday, Brandon Warne of Access Twins reports.
Topa (knee) will throw two bullpen sessions this week, Bobby Nightengale of the Minneapolis Star Tribune reports.
The Twins transferred Topa (knee) to the 60-day injured list Tuesday with left patellar tendinitis.
Topa underwent an MRI on Tuesday that revealed a 25 percent tear in his left patellar tendon, Do-Hyoung Park of MLB.com reports. He'll be immobilized for the next week before he beginning his ramp-up program.
Topa underwent an MRI on his left knee after feeling soreness following his last rehab appearance with Triple-A St. Paul on Sunday, Bobby Nightengale of the Minneapolis Star Tribune reports.