According to Adam Schefter of ESPN, Gronkowski had a third surgery on his forearm recently due to an infection that had occurred.
The most recent surgery, which puts Gronk just one behind Manning now, is not expected to prevent him from being ready by the start of the Patriots training camp.
Follow me on Twitter @TerryMc13
Terry McCormick covers the Titans for TitanInsider.comFollow @footballpost on Twitter for the latest news
This story originally appeared on Nationalfootballpost.com