Sometimes additional tickets get released when the promoter can't use the tickets. This happened to me before because I was able to get front row tickets to a show the day before the concert.
Ticketmaster also has a policy of accepting tickets back if an immediate member of your family passes away. You have to provide proof though.
Naw, Section 100 row 10 is available today. I wonder just how bad this show is selling. I haven't heard a single ad for it here in Rochester, and every other show there has received HUGE pub