Twins Demote Alex Kirilloff to Triple-A, Promote Austin Martin

Kirilloff's batting struggles lead to roster changes as Martin returns for his third major league stint.

Kirilloff hit .201 with five home runs and 20 RBIs in 57 games this season.
His recent performance included a .135 average with 26 strikeouts since early May.
Austin Martin, hitting .224 in previous stints, has been performing well in Triple-A.
Martin's recent Triple-A stats feature a .449 on-base percentage and eight RBIs.
Kirilloff joins Matt Wallner and Edouard Julien, other struggling hitters, in the minors.