Yeah it's a bit early to be talking about guys like this since the season hasn't started but based on his past performance and now that they've moved him to RT for the time being, he's showing his value to the team again. He knows DeCastro was drafted to be the next great RG and Adams the next LT but he's still out there scrappin. One thing you can say about him, he's been healthy and he's willing to do whatever he has to do.
Tomlin always mixes up the starting groups in practice so you can't read into who's doing what too much, but if Foster can hold down that RT spot for awhile if Adams takes longer to come back they'll be a better team for it.
Bob Labriola said the other day after practice that he was talking to Ramon and asked him about camp and what he thinks of DeCastro at RG, etc. He told him that he just wants to win a championship and will play wherever they tell him. That's the same type of attitude and ability that's kept Doug Legursky and Trai Essex on the roster so I think he's doing all he can do right now to make this team.