This morning, the San Diego Union-Tribune's Michael Gehlken reported via Twitter that Chris Watt would likely start training camp on the Physically Unable to Perform (PUP) list.
Chargers C-G Chris Watt expected to open camp on PUP list, sources said. Best thing for him. Had knee scoped in spring.
— Michael Gehlken (@sdutGehlken) July 27, 2016
Then, this afternoon, Adam Caplan of ESPN reported that Trevor Robinson (who started most of the season last year) would also likely find himself on the PUP list.
#Chargers C Trevor Robinson (complications from shoulder surgery) likely headed to PUP list, source said.