This article is part of our Minor League Barometer series.
Not to toot my own horn, but the Barometer has been rather prescient in recent weeks, predicting the promotions of Carter Kieboom and Griffin Canning. Just call me the Bran Stark of the minor leagues. Who else could we see making the jump in the coming weeks? Yordan Alvarez of the Astros leaps off the page, slashing .347/.443/.867 with 11 home runs and 29 RBIs in just 21 games at Triple-A Round Rock. The Astros will simply have to find a place for him soon if he keeps raking like this. Another soon-to-be big leaguer is Brendan Rodgers, who is hitting .405 with three home runs and nine RBIs in his last 10 games for Triple-A Albuquerque. Homer Simpson would be proud. Garrett Hampson has struggled at second base for the Colorado Rockies, and Ryan McMahon has also slowed since a hot start. Add in the checkered injury history of Daniel Murphy, and Rodgers could make his MLB debut before summer.
Who else has seen their stock move in recent weeks? Let's take a gander in this edition of the Minor League Barometer.
Grayson Rodriguez, P, BAL – Perhaps no pitcher has seen his stock rise more over the early part of the season than Rodriguez, the 19-year-old righty who has tormented Low-A through three starts. Rodriguez was a first-round pick in last year's draft and has not disappointed in his first taste of full-season ball. Rodriguez has a 0.54 ERA and 28:6 K:BB in