Segura (ankle) is undergoing additional tests on the injury he incurred during Thursday's game, Shannon Drayer of 710 ESPN Seattle reports.
Segura hurt his ankle while sliding into second base Thursday and had to be helped off the field. More information regarding the severity of the ailment is expected to be released Friday, but the team doesn't expect him to be available for the next few days. In his place, look for Taylor Motter to fill in at shortstop.