Struggling Red Sox pitcher Nick Pivetta moved to bullpen

Nick Pivetta has been moved to a multi-inning bullpen role in the Red Sox rotation.
The Red Sox will use a traditional five-man rotation for their upcoming road trip.
Pivetta has been a source of rotation stability for the Sox due to his durability.
His effectiveness has plummeted this year, with opponents hitting .303/.386/.574 in his last six starts.
Pivetta has been moved to the bullpen before and has had some success in that role.