PITTSBURGH (AP) — Bubba Chandler didn't disappoint major league debut for the Pittsburgh Pirates

The hard-throwing 22-year-old right-hander — considered the top pitching prospect in baseball — threw four scoreless innings in relief and picked up the save in a 9-0 victory over the Colorado Rockies on Friday night.

Chandler, officially called up from Triple-A Indianapolis earlier in the day, entered in the top of the sixth against Colorado after five innings of one-hit ball by Pirates starter Braxton Ashcraft.

Chandler's first pitch in the majors was a 99 mph fastball that Orlando Arcia fouled off. Arcia took a 97 mph heater for a ball, then laced a 98 mph four-seamer off the left-field wall for a double.

It was the lone mistake Chandler would make. He fanned Ryan Ritter on a 100 mph f

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