The Mariners have extended Emerson an invitation to big-league camp during spring training.
The Mariners promoted Emerson from Single-A Modesto to High-A Everett on Monday.
Emerson (foot) is hitting .400 with three doubles and one steal in five games since being activated from the 7-day injured list with Single-A Modesto.
Emerson (foot) has played two games in his rehab assignment, going 2-for-7 while suiting up for the ACL Mariners and Single-A Modesto on Thursday and Saturday, respectively.
Emerson was diagnosed with a small fracture in his foot Tuesday and will wear a protective boot for two weeks, Ryan Divish of The Seattle Times reports.