Jordan Zimmerman told the Detroit News he has no plans to retire after 2020. (Detroit News)
The 33-year-old is a free agent after the season but says he still feels good physically. Zimmerman struggled mightily last year, posting a 6.91 ERA over 112 innings pitched while going 1-13. He signed a five-year, $110 million deal with the Tigers entering the 2016 season.