Partial Source: Pwinsider.com
-- Rey Mysterio is featured on one of the many forthcoming WrestleMania t-shirts. That is likely an indication that he'll have a role at the event.
-- In an update on Alberto Del Rio being backstage at RAW last night, we can also report that FCW talent Dean Ambrose was at the show. Del Rio is being told that "creative has nothing" for him right now while Ambrose is working before WWE producers/agents at TV. As previously reported, Ambrose worked SmackDown live events over the weekend.
-- The Rock arrived in Boston, MA on Saturday. As noted earlier, the promos that aired last night on RAW were taped on Sunday. He was backstage yesterday during the day mingling with WWE talents.