The following two titles matches were announced on RAW
for this week's WWE Main Event
* Natalya vs. AJ Lee - WWE Divas Title
* Mark Henry vs. Dean Ambrose - WWE United States Title
As noted earlier, WWE Main Event will air LIVE on the WWE Network through WrestleMania 30 and possibly beyond depending on what happens with ION TV come April 2nd when their contract expires.
Also, the reason they are announcing and promoting big (title) matches is because they want as many fans as possible to tune in so they can continue testing their Network live streams. They obviously don't want any issues during WrestleMania 30 and are extremely worried due to all the issues they had during the heavily promoted NXT: Arrival special.