Bello allowed one run on five hits and three walks while striking out seven over 5.1 innings in Saturday's spring start against the Pirates.
Bello hit the 91-pitch mark and finished his spring with a pair of strong outings following a shaky start. His spring ERA was at 6.75 after three starts, but Bello allowed two runs while striking out 12 over his final 10.1 innings. Next up for the 24-year-old righty is an Opening Day start, which will take place Thursday on the road in Seattle.