With Fred Davis out for the season, Logan Paulsen gets the first crack at his starting spot.
Fletcher's iron man streak is in serious jeopardy after veteran linebacker misses second straight practice on Thursday.
With London Fletcher suffering from hamstring and balance issues, veteran Lorenzo Alexander could make his first start since 2010.
The Steelers have been money against rookie quarterbacks since Dick LeBeau returned as defensive coordinator. Can RG3 get different results?