According to NH, it's a possibility.
From the overall tone of the article, they won't, IMO, but the fact that they're even talking about it keeps the chance of it happening out there. They may take both Moss and Raynor up, and sort 'em out in the first month of the season. Unless they don't dump Vazquez somehow, which just may happen, too...
Management is kicking around the idea of starting the season with an 11-man pitching staff. That would leave room for a six-player bench, as opposed to the normal five.
"It's an option," general manager Neal Huntington said. "We still have to have further dialogue, but it is an option."