Just four days to go and absolutely nothing actually happening. There are a whole bunch of factors here:
1) So many teams with a realistic shot at the wild cards, especially in the NL. I'd say right now six teams in each league are definitely out of it, and not all of them are so gung-ho on selling.
2) We saw GMs are less willing to pay big free agent prices this past winter, and the same thing is I think the case right now, but the prices are in prospects instead of cash. Teams are more hesitant than ever to deal controllable talent for higher-priced, shorter control, non-optionable players.
3) There are more hopeful acquirers than there are talented available players, so the sellers are holding out for big prices.
4) The new single deadline of July 31, GMs aren't used to having to make final decisions so early in the season.
5) In the age of Twitter, no GMs want to be mocked for selling too low or giving up too much, and no GMs are currently in danger of losing their jobs (I've seen a few writers say this latter point).
It's going to be interesting to see how and when and who breaks this logjam, it can be a big mistake not to sell when you should, like the Tigers with Michael Fulmer when he was at peak value. Guys like Stroman and Giles and Shane Greene should get dealt as they'll be less valuable this offseason and all are only under contract through 2020, but we'll see who actually gets moved and if any acquiring GMs cave and pay big prices. The Mets are especially interesting, Wheeler is a FA and absolutely should go or be extended, and now they are talking a lot about moving Syndergaard and Edwin Diaz. Good luck explaining to the Mets fan base why you traded Diaz for so much less than you gave up for him just this past winter, but Mets gonna Mets.
Monday is an off day for a bunch of teams, I think we could see some big moves then if not before.