The Rays, Yankees and Red Sox have all been extra active this week, let's see what is going on in the rumor sphere today:

• For the fourth time this off season, right handed pitcher Sandy Rosario was claimed off of waivers, according to MLB.com's Carrie Muskat. The right hander had been with the Red Sox system.
• Rob Bradford of WEEI tells us what we know about the situation with Mike Napoli, as the right handed hitter has not yet officially signed with the team.
• We covered Mike Napoli rumors earlier today, where Ken Rosenthal suggested something was amiss.
• Daniel Russel at DRaysBay writes about the deal the Tampa Bay Rays are nearing with right hander Roberto Hernandez.
• Kris Vigneron writes over on Baseball Nation about the Red Sox reported "serious interest" in free agent pitcher Ryan Dempster.
• David Waldstein at the New York Times writes about the symbolism of the Red Sox-Yankees rivalry after New York signed former Red Sox infielder Kevin Youkilis.