Lol, precautionary move, bro.
If you read anything beyond the headlines of articles while you scan through the pictures, you'd understand that the significance of this type of move this early in the season is very limited. They're just making sure he's 100% before throwing him in the mix. Players hurt their hamstrings all the time.
It's too bad you only seem to be interested in stirring the pot and being a dickhead as much as possible, because with the amount of time you spend around here you definitely have the opportunity to become a pretty informed fan...
The only person getting stirred up is you.