Yahoo! Fantasy Baseball provides an analysis of player matchup favorability under the heading of "Matchup Ratings". The UI navigation element is still available, but the content has yet to be provided this season (2015).
When will this content return?
Best Answer
From Yahoo's User Voice thread on this subject:
Jake (Community Support Manager, Yahoo) commented · May 20, 2015 15:55
and
Jake (Community Support Manager, Yahoo) commented · May 06, 2015 14:49