Jags @ Steelers upgrade/downgrade?

they play the jags October 16th. i have 4 tickets in the endzone, upper level. i have never seen a game here besides the endzone. i am looking to upgrade/trade them for any seats on the sidelines. please let me know if there is any interest in this. thanks!

last chance. anyone? i am stayting in pittsburgh the night before. anyone know if you can generally trade tickets with scalpers around the stadium on gameday? are there scalpers around? is it legal?