Young, the No. 43 prospect in the organization, was officially promoted to the big leagues on Saturday morning, but you can watch the moment that he found out on Friday night.

With the remarkable run that he’s been on at Triple-A Tacoma, and the Mariners’ clear need at his position, what else do the Mariners possibly want to see from second-base prospect Cole Young before calling him up to The Show?

Mariners prospect Cole Young, already receiving some friendly ribbing from his new teammates, was set to bat eighth and play second base Saturday in his MLB debut.

The Mariners are promoting top infield prospect Cole Young. Find out more about the big move at MLB Trade Rumors.

Seattle Mariners Executive Vice President & General Manager of Baseball Operations Justin Hollander announced today the following roster moves: - Cole Young (#2), INF, selected from Triple-A Tacoma. - Bryce Miller,