The Pirates have recalled left-handed pitcher Brandon Eisert from Triple-A Indianapolis. Right-hander Isaac Mattson was placed on the 15-day injured list with a right hip impingement (retroactive to Sep 6).
Eisert will be active for the Pirates against the White Sox — the team he was acquired from in July — on Tuesday night. In 34 appearances between Pittsburgh and Chicago this season, the 28-year-old is 2-2 wit a 6.00 ERA in 34 appearances/34 starts.
Since joining the Pirates Eisert 0-1 with a 6.23 ERA in nine relief appearances. He totaled 1.2-scoreless innings against the Giants during Pittsburgh's homestand last week.
Mattson has made 38 relief appearances for the Pirates this season and 0-0 with a 5.35 ERA. He last pitched on Saturday against the Angels, when he allowed three runs on four hits in two innings.
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