What if we hold out for a top 5 prospect and another top 10-15, don't get the offer, keep him, and then he finishes the year with a sub-.800 OPS? Then we have an average bat and a below average glove on our hands - not a very valuable commodity on the market. While it's nice to think about your scenario, the sub-.800 OPS scenario is more likely. I'm not in favor of giving him up for scraps, but if we can get two of another team's top 15 prospects, I do that trade without thinking twice. This is a guy who had 0 value prior to the season. Is a sub-.800 OPS more likely at this point? No matter how much you attribute his start to luck, his numbers are so absurdly good that I have to think he'd have to really fall off a cliff to not end up with respectable numbers by the end of the year. The walk rate and LD% suggest he should maintain some production going forward. Overall, I think it's worth holding onto him. As has been documented, guys like LaHair do come out of nowhere every once in a while and have productive careers. Jumping at the chance to trade him for two C to C+ prospects seems premature, as those trades rarely work out and the consensus outside of this board seems to be that this is not a complete fluke. The concern with LF defense is a bit excessive, especially considering the LF defense this team has dealt with (and succeeded with) the past 6 years. Best case scenario, we have an Andre-Ethier like player for cheap the next few years. Worse case, we lose out on the ability to add two more Brett Wallach's/Abner Abreu's to the system. So you think Soriano has been a poor defender throughout his tenure as a Cub? In general, I don't think he's been very good (outside of his arm). We can just skip to the part where you cite Fangraph's positive take on his defense and his good UZR rating. And I'll point out that Baseball Reference has a more negative view of his defensive abilities, and I've never seen anything from scouting reports or other publications indicating he was a good fielder. So, in the end, we have a mixed bag on his defensive abilities (although I think it's pretty clear he's been bad the past few years). Even if we assume he's been an average fielder, does it really matter? Were we a much better team in 2007 or 2008 because of Soriano's defense in LF? Left fielders should be paid to hit. Combine that with the fact that Sveum's defensive positioning seems to be a real positive for our defense, and Epstein/Hoyer appear to be focusing on groundball pitchers going forward, and the value of a good defensive left fielder drops even further. It just seems stupid to me to advocate dumping him for marginal prospects because his WAR might drop when we shift him to LF. As long as he doesn't constantly drop easy flyballs, I don't care too much about his defense if he continues to be an above-average hitter.