The first day of May saw a number of promotions of top prospects. Here are just a few who played their first game at a new level on May 1: Logan Gilbert, RHP, to high-A (Mariners)Daulton Jefferies, RHP, to AA (Athletics)Cal Quantrill, RHP, to MLB (Padres)Luis Robert, OF, to AA (White Sox)Shawn Semple, RHP, to high-A (Yankees)Devin Smeltzer, LHP, to AAA (Twins) Hitters AAA Yordan Alvarez, Round Rock, 6-8, 4 R, 5 RBI, BB, K, 2 2B, HR Willi Castro, Toledo, 1-3, 2 R, 2 BB, K, 3 SB Alex De Goti, Round Rock, 4-8, 3 R, 5 RBI, BB, K, 2B, HR Jake Elmore, Indianapolis, 2-3, 3 R, RBI,…