Duvall was optioned to Triple-A Gwinnett on Friday, Mark Bowman of MLB.com reports.
EDGE Analysis
The 30-year-old was optioned to Triple-A Gwinnett along with Johan Camargo on Friday. Duvall drove five home runs and recorded 11 runs in his 19 games with the big-league club. Adeiny Hechavarria and Bryse Wilson were added to the major-league roster in corresponding moves.