Diamondbacks Demote Alek Thomas, Promote Blaze Alexander
Arizona adjusts roster as Ketel Marte's ankle injury sidelines him, calling up Alexander from Triple-A Reno.
- Alek Thomas sent to Triple-A Reno after batting .191 in 37 games this season.
- Blaze Alexander called up to provide infield depth amid Marte's injury.
- Jake McCarthy's performance has limited Thomas' playing time.
- Alexander started at second base in the game against the Rockies.
- Thomas' demotion aims to help him regain his previous form.
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