re: o-line and pass blocking

The line is not the problem this year...qb not progressing in his reads...there were players open last night, qb did not pick them up...don't know what his problem is, but its not the line, the receivers, and play calling is questionable, but how can you be aggressive with play calling, if qb can't execute?....NEED A CHANGE IN QB..let him sit his arse on the bench some....