HOUSTON -- On Friday, Orioles rookie right-hander Brandon Young came within four outs of a perfect game . On Saturday, Baltimore called up outfielder Dylan Beavers (the club’s No. 3 prospect per MLB Pipeline), who then made his big league debut .

What better way to complete the weekend than by recalling an even bigger prospect?

The O’s called up Samuel Basallo (the team’s No. 1 prospect and the No. 8 prospect in baseball) for Sunday’s series finale vs. the Astros at Daikin Park. In a series of corresponding moves, Baltimore reinstated outfielder Colton Cowser from the 7-day concussion injured list, optioned outfielder Daniel Johnson and 1B/OF Ryan Noda to Triple-A Norfolk and transferred RHP Zach Eflin to the 60-day injured list.

A 21-year-old catcher/first baseman o

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