For Romy Gonzalez, Tuesday night in Sacramento was shaping up to be another showcase of his breakout season. Batting leadoff for just the seventh time all year, the 29-year-old first baseman homered in his first at-bat and doubled in his second, extending his MLB-best hitting streak to 12 games. Then, just as quickly, his night came to a halt.

The Red Sox later announced Gonzalez exited due to soreness in his left knee. He was replaced at first base by Nathaniel Lowe when Boston took the field for the bottom of the second inning.

Gonzalez wasted no time making his presence felt against Athletics starter Jeffrey Springs, blasting a 426-foot leadoff home run to right-center to open the scoring. In the second, he laced an RBI double into the corner, but appeared to tweak something on h

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