"There's been times where he's expressed that with some regularity of use," Farrell said. "Can't say that he's been overused. The one thing that Koji's been very clear at is that anytime he does feel something, he's expressive and we wouldn't do anything to put him in harm's way."
Uehara said after Tuesday's game that his spilt-finger fastball isn't where he'd like it to be.
While the 39-year-old has struggled in his last eight outings, compiling a 5.14 ERA over that period, he has the second-best save percentage in the American League (94.7) and a 1.40 ERA overall.
Quinn Roberts is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.