This article is part of our Minor League Barometer series.
The prospect promotions are coming fast and furious this season, as Keston Hiura, Brendan Rodgers and Austin Riley are the latest phenoms to make their long-awaited premieres. Yordan Alvarez of the Astros should be next, as he has little left to prove at Triple-A, slashing an absurd .411/.494/.884 with 18 home runs and 55 RBI in just 39 games - and an injury to George Springer may accelerate Alvarez's timetable even further. It's also only a matter of time for Dylan Cease, one of my favorite pitching prospects in the minors. Cease is allowing a few too many base runners at Triple-A, though the White Sox recently lost Carlos Rodon for the season and Manny Banuelos to a shoulder injury, while Ivan Nova has a bloated 7.42 ERA and may not be long for the rotation. Cavan Biggio continues to rake for Triple-A Buffalo, and has played five different positions so far in 2019. This versatility should allow the Blue Jays to bring him up sooner rather than later.
As can be seen, there is no shortage of highly touted prospects still biding their time in the minors. Let's take a look at some other neophytes making headlines in this week's Minor League Barometer.
Jake Fraley, OF, SEA – Fraley hit .347 last year in the Rays organization at High-A and also swiped 11 bases in just 66 games. He was traded to the Mariners in the Mike Zunino/Mallex Smith deal last November, then played in the Australian