Will Mendenhall, Steelers D, and Heath Miller get 30+ fantasy points on monday?

It's very unlikely, but possible. The Broncos D has only given up 192 receiving yds and 1 TD to TEs all year. This isn't a great match-up for Miller. The Steelers are more of a ping team that a running team. Only the Steelers and Bengals had given up fewer rushing yds to RBs than the Broncos going into this week. The Broncos have only given up 3 TDs to RBs all year. Opposing defenses are only averaging a little over 5 pts per game against the Broncos in standard ESPN leagues this year. The Steelers are only averaging 8 pts/gm. Looks good for you, but you never know until the game is actually played.