Atlanta transferred Matzek (elbow) from the 15-day injured list to the 60-day IL on Tuesday, Grant McAuley of 92.9 The Game Atlanta
The transaction frees up a spot on the 40-man roster for infielder Brian Anderson, who signed a one-year deal with the club. Matzek has been sidelined for nearly a month with left elbow inflammation and now won't be eligible to return for at least another month.