BALLER MOVE: Add in 14+ Team Leagues OWNED IN: 9% of leagues ANALYSIS: Over the last six weeks, Kansas City Royals pitcher Brad Keller appears on the xwOBA leaderboard at No. 16 with a .329 mark, good for a tie with Luis Severino and right ahead of Miles Mikolas and Blake Snell. Sufficing to say, this fact alone makes Keller a decent add in deeper fantasy leagues Most of Keller's strong xwOBA comes from limiting big hits with a ridiculous 59.4% groundball rate over 56 innings, but t[...]