The Red Sox laid out $63 million for Yoan Moncada. Tonight, we will begin to see if that investment was worthwhile. The 19-year old Cuban phenom starts his pro career tonight for Boston's Single-A Affiliate Greenville Drive. The infielder—rated as the team's #1 prospect—is likely to start at second base. Boston eased the youngster into game play to make the cultural transition less disruptive. If he lives up to the hype (both internal and independent) the switcher-hitter may move through the Boston system with alacrity.