Tigers declined RHP Joe Nathan's $10 million option for 2016.
Tigers transferred RHP Joe Nathan from the 15-day disabled list to the 60-day disabled list.
Joe Nathan underwent season-ending Tommy John reconstructive elbow surgery on Wednesday.
Joe Nathan has been diagnosed with a torn UCL and tendon in his right elbow and will require season-ending Tommy John reconstructive surgery.
Joe Nathan (elbow) had to leave a rehab appearance with Triple-A Toledo on Wednesday after appearing to aggravate his elbow injury.
Joe Nathan (elbow) is scheduled to make a rehab appearance Wednesday with Triple-A Toledo.
Joe Nathan (elbow) is not expected to be ready for activation from the disabled list when first eligible on Wednesday.
It's uncertain whether Joe Nathan (elbow) will be ready for activation from the disabled list when first eligible on Wednesday.
Joe Nathan (elbow) threw off a mound on Saturday.
Joe Nathan (elbow) threw a light bullpen session on Wednesday.
Joe Nathan (elbow) played catch Wednesday.
Joe Nathan (elbow) has yet to be cleared to resume throwing.
Joe Nathan said Friday that he's dealing with a Grade 1 flexor strain in his right elbow.
Tigers placed RHP Joe Nathan on the 15-day disabled list with a right flexor strain in his elbow.