The struggles of Orioles rookie left-hander Brian Matusz continued tonight as he was rocked for four runs in the first inning. A's second baseman Adam Rosales landed the big blow by driving a Matusz 1-2 fastball into the left-field seats for a three-run homer.
Matusz also allowed an RBI single by Kurt Suzuki in the 26-pitch inning.
In his last 3 1/3 innings, Matusz has surrendered 11 earned runs, 11 hits, three homers and two walks. He also is now assured of giving up at least four earned runs in three of his past four starts.