Chaim Bloom’s Boston Red Sox farm system with Triston Casas, Nick Yorke, 2021 fourth-overall pick could take significant leap in rankings this year Updated Feb 24, 2021; Posted Feb 24, 2021 The Red Sox selected Nick Yorke 17th overall in the 2020 MLB Draft (Courtesy of Pawtucket Red Sox/Kelly O'Connor) Facebook Share Red Sox chief baseball officer Chaim Bloom has acquired 12 prospects via trade and selected two young players in the major league portion of the Rule 5 Draft since being hired in October 2019. Thirteen prospects added during Bloom’s tenure rank among the top 30 prospects organizationally. But Baseball America has Boston’s farm system ranked 20th entering 2021 — the same ranking it had entering 2020.