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?

Leo Rivas was optioned to Tacoma to make room for Young on the 26-man roster. To make room for Bryce Miller, coming back from the IL, reliever Casey Legumina, the latest victim of the Mariners’ late-innings bullpen collapse. was also sent down.

The Seattle Mariners promoted 21-year-old second baseman Cole Young from Triple-A Tacoma and optioned an infielder to the minors amid a series of roster moves.

The Cole Young era began with murmurs 35 miles south of T-Mobile Park on Friday, when the 21-year-old infielder was pulled in the fourth inning of Triple-A Tacoma’s game. It became official a few hours later,