I think I figured this out, guys. Dri Archer was visiting the North Pole and abducted by a Tyrannosaurus Rex, and sent to Mars, and is now living with Matt Damon on Mars. That is why he hasn't reported.
http://www.buffalobills.com/news/article-1/Bills-host-free-agent-G-Matt-Slauson/9e39c42d-7a12-499d-a67c-c0506ab91c0b
Visit starts this evening and continues tomorrow.