This article is part of our Minor League Barometer series.
While the MLB Draft is upon us, this week's article will not delve into the upside of Casey Mize or whether Kyler Murray will decide to play football or baseball (or both). We will leave that for another day, and instead focus on those players already making their mark in the minors, for better or for worse. As such, here is the latest edition of the Minor League Barometer.
Ronaldo Hernandez, C, TB – The 20-year-old backstop from Colombia has been in the Tampa Bay organization since 2015, but is getting his first taste of full-season ball this season. Hernandez has been tormenting pitchers in the rookie leagues for the past two years, and he has not disappointed thus far at Low-A Bowling Green either. Hernandez is batting .311/.363/.503 with six home runs, 40 RBI and three steals through 44 contests. Hernandez has been even better of late, hitting .405 with four home runs and 14 RBI over the last 10 games. He has the physical tools to succeed at the position, including an exceptional ability in terms of throwing out runners. Hernandez should be getting more notoriety, particularly at such a thin position.
Jeisson Rosario, OF, SD – Rosario has polish at the dish well beyond his years. The 18-year-old lefty has a .404 On-Base Percentage through 44 games for Low- A Fort Wayne. That's exactly what his OBP was in 52 games in the AZL in 2017. Rosario has also swiped 12 bases in 2018,