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Orioles prospect Jackson Holliday's MLB debut: What to know

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Top MLB prospect Jackson Holliday is coming to the big leagues!

Holliday, Kiley McDaniel's No. 1 prospect, will join the Baltimore Orioles in Boston, according to ESPN reports. The move comes just a few weeks after general manager Mike Elias said Holliday was "very, very close" before announcing the infielder would start the season in Triple-A. In 10 games with the Norfolk Tides, Holliday -- the son of seven-time MLB All-Star Matt Holliday -- batted .333 with an OPS of 1.077, scoring 18 runs, nine RBIs and two homers.

Now, he'll join the big league club with a chance to become one of the brightest young stars in the majors. What made the Orioles decide the time was right? And what can we expect from Holliday on the biggest stage? ESPN insiders Jeff Passan and Kiley McDaniel weigh in.