"We feel like he can get left-handers and right-handers out," Mattingly said.
That was the way Howell was used with the Rays as well.
"We've got a couple of [right-handed] guys out there we're comfortable using against left-handed hitters," Mattingly said, citing Chris Withrow and Jamey Wright.
Earl Bloom is a contributor to MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.