Miami Marlins pitching coach Mel Stottlemyre Jr. -- one of the best managers of arms in baseball -- had surgery this month to remove his prostate and lymph nodes after being diagnosed with cancer last February.
Thankfully, though, Stottlemyre says he's recovering well and is optimistic about his prognosis.
The 57-year-old revealed to the Miami Herald this week that after feeling rundown toward the end of 2020 ... doctors ran tests on him and discovered prostate cancer.
The pitching coach said he kept it all a secret during this past season .