Gilmartin needed only 58 pitches to get through five innings against the Durham Bulls, scattering four hits while striking out one and issuing no walks.
Gilmartin too a no decision while Gwinnett lost their 30th one-run game of the season.
It was the first start with Gwinnett for Gilmartin since June 16, citing a case of shoulder tendonitis. He was the Braves' first-round pick in the 2011 draft out of Florida State University.
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