When MLB franchises are looking through free agents to try to improve their teams, mere quality isn't all they look for. This is especially true for small-market teams, as they have to look for players who are the best value—those who could do the most damage for how much they're being paid.
Generally, those who are better get paid more, but there are certain players who are better values due to their consistency and reliability. Someone who could be either good or awful is not a good player to acquire if you can grab a consistently solid player for a better deal.
Here are the 50 best free-agent deals this offseason. This includes those who are recently signed since their value can still be evaluated in hindsight.