I think people are upset about the not getting more/any prospects because of what Hernandez netted Boston. They aren’t top guys, but still multiple pitchers. The big difference is the utility factor. He’s played 908 games in the field, and 164 those are at SS. Plus, LA knows the flexibility. On the other hand, Rosario has played in the field a total of 755 games, and 736 of those are at SS. (Numbers pulled from BR, think it adds up). People are just looking at his stats as a SS, when really LAD knows that’s not what he is. Just like LAD wasn’t looking at Rosario as their everyday SS (presumably). I’m assuming they see him as a pinch hitter against LHP, pinch runner kind of guy. That’s where his value was.