Which club would have the best all-prospect lineup?

MLB Pipeline’s Top 100 Prospects list is intended to project which players will have the most long-term success in the big leagues. But fans also want to know when these up-and-comers will get there and make an impact. One such question came via Twitter back in November: If all 30 teams had to field their Major League club with only their prospects, who would be the best teams in 2019?