We're two weeks deep in baseball and there's been a lot of shifting in value already. In order to make the proper roster moves and know what to look for when you begin trade negotiations, it helps to understand the perceived value shifts that happen each week. So that's when we bust out the complex algorithms and determine who's up and who's down.
Evan Longoria, 3B, TB -- Tee. Hee. Yes, that's correct. I'm flat out giddy over Longoria's call up. He picked up a ribeye on his very first hit and then followed it up last night with is first major league double and then his first major league home run. You should have already added him in every league you play in (or should be doing that right now .... ) And I've heard some people say that there are better, cheaper options for the same type of player; please. Longoria bleeds upside.B.J. Ryan, CL, TOR -- Ryan missed all of last season after J.P. Ricciardi kind of/sort of tricked everyone into thinking he was healthy. Now he's back and he's closing already. He also looked like he might have dropped some LB's since he last pitched, which never hurt anyone. A very nice add on an underrated Toronto team, although if he gets too hot it might be worth a sell.
BJ Ryan underwent Tommy John surgery less than ten months ago, but he's already getting close to regular-season form and is aiming for an opening day return. He hasn't pitched since April 14th, 2007, and he's itching to get back up on the mound. He showed up to Spring Training in tip top shape and thus far his "rehearsals" have gone well: 
