Bello allowed two runs on six hits and one walk while striking out 10 over six innings for Triple-A Worcester on Wednesday.
Bello, who was promoted from Double-A Portland earlier in this week, showed the WooSox what all the buzz was about in his debut at the Triple-A level. He whiffed the first batter faced on a 98-mph fastball and dazzled the rest of the way. It was the 11th double-digit strikeout game of the 23-year-old 's minor-league career.