Instead of placing the research links on the sidebar, I have listed all of the resources I use on a daily basis.
Rotogrinders – Provides daily articles and insights into each MLB slate.
DailyBaseball Data – Great tool for checking out BvP (Batter vs Pitcher) stats to see who hits well against certain starting pitchers.
MLB.com/Stats – The king of MLB stats. Sortable stats lets you check out all MLB statistics for hitters, pitchers, team bullpens and team hitting.
DailyFantasyNerd – Handy free tool to discover prime matchups each day. They provide stats like wOBA and projections for every play.
FanGraphs – An awesome tool for in-depth pitching and hitting stats like Hr/9, wOBA, etc.