What It Means:

Boras also claims that the TOS is what has caused Harvey's underwhelming play in 2016. Dr. Robert Thompson will perform the procedure in St. Louis and this is obviously a brutal blow for Harvey, the Mets and his owners. A timetable doesn't currently exist for his return, but this type of surgery has proved to be problematic for a handful of players in the past.

Harvey will end the season with a 4.86 ERA and 4.33 SIERA across 92 2/3 innings of work, both of which are career-worst marks. Conversely, his 18.91 strikeout percentage is the lowest of his career, while a 6.22 percent walk rate is Harvey's highest since his rookie campaign. He went 4-10 across 17 starts.