Early in the season we sometimes get screwed out of HD games because the HD channels share transponders with other sports packages. (ie: Channel 397 is on transponder 23, which it shares with Global West HD, PBS East HD, Nascar1HD, and MLB6HD. And MLB6HD is in use today.)
But that may or may not be the reason.
They do have both Monday games listed in HD.
On a positive note, we're getting a game from the new ESPN-produced SEC network right now. Better than the Sunbelt and MAC conference games we've gotten the past couple of years.