Barnes pitched 1.1 innings, allowing one run on one hit and a walk while striking out two Sunday against the Red Sox.
Barnes, making his second go-around at the MLB level this year, has been solid since getting recalled as part of roster expansions at the beginning of the month. Despite Sunday's run, the 26-year-old has impressed with a 2.70 ERA and 0.90 WHIP through four appearances. Barnes has struck out five and walked two over his 6.2 September innings.