In what I'm calling "pretty damn stupid", the Orioles have agreed to a one year $8 M contract with Vlad Guerrero (with some of the money apparently deferred). I argued previously
why signing Vlad wasn't a good move - and I never even considered the team would go up to $8 M for a guy with little to no leverage, and who doesn't improve the team by much, if at all:
"Vlad Guerrero was a great player in his prime, and is still a good hitter. He's no longer a great hitter though. He's turning 36 in a week, and his knees aren't exactly in great shape - that fully limits him to the DH spot. To be valuable from that position, a player really has to hit. Vlad did last year (.300/.345/.496) but not quite so much a year before (.295/.334/.460). Despite hitting .300 (or close to it), Vlad rarely walks (especially so if you take out the intentional ones) which keeps his OBP not much above average. He still has some power, but he's more likely to hit 20 home runs than 30 at this point. If Vlad were to hit .295/.335/.470 for the O's next year in 575 plate appearances, he would be worth about 1.2 Win Above Replacement. At $5 M per win, that's ~$6 M*. So even if you want to sign Guerrero, giving him more than $6 M wouldn't be a great idea (especially given the lack of demand for his services).* I believe players who sign one-year deals tend to be cheaper though.
How much does a 1 win DH help the Orioles? Since Luke Scott isn't likely to get traded at the moment, he'd probably move to left-field. The difference between DH and left-field (positional adjustment) is about 10 runs, so Luke would pick up that value (well, scaled down for playing time). Then he'd lose a little based on his fielding. Luke has a career +6 UZR/150 in left-field, but he's only seen limited time out there in the last couple years (and his numbers were below average). He's probably still a better fielder than many people think, but somewhere between a tad and solidly below average wouldn't be surprising from him at this point (say, -3 runs). So we add 1.2 win for Vlad and another 5 runs or so for Luke switching positions. Largely gone are the current left-fielders though; Felix Pie and Nolan Reimold. I don't have fuller projections for the two yet, but initial numbers were in the neighborhood of a win and a half. So that wipes away a vast majority of the upgrade from adding Vlad. Basically, team's offense would be better (Vlad > Pie, perhaps a 10+ run gap), but the defense would be worse (Pie > Scott, by upwards of 10 runs).