Updated Stock Watch for Upcoming MLB Free Agents, Week 24

The free-agent market won't be officially open for business for about another month-and-a-half (at the conclusion of the World Series), but most free agents-to-be are down to their last 12 to 15 games to either boost, maintain or lose value. 

While a majority of the group will be in the "maintain value" category, a handful of others are either playing good enough to bump that price tag up or bad enough to knock it down.

Here are eight players, four from each side, who have shifted the needle on their free-agent stock during the past week or two. 

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