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As the opener and bullpen games became part of baseball lexicon over the past couple of seasons, the Red Sox had no problem letting those things pass them by, preferring to go with a sturdy rotation that helped them win the 2018 World Series.
However, the attrition of a challenging title defense has left Boston manager Alex Cora with no choice but to go, as he likes to say, “all in,” on the concept during this rivalry weekend.