Napoli announced his retirement on his personal Twitter account on Saturday.

Napoli, who is out for the season following surgery to repair a torn ACL and meniscus in his right knee, is continuing to rehab the injury with the hope of playing in 2019, Zack Meisel of The Athletic Cleveland reports.

Napoli will miss the rest of the 2018 season after suffering a torn ACL and meniscus in his right knee.

Napoli (knee) was placed on the disabled list with Triple-A Columbus on Thursday.