Veteran Johnny Cueto will take the mound on Sunday afternoon in Arizona, hoping to lead the San Francisco Giants to a series win over the Diamondbacks.

And that would be the positive news the Giants need after pitcher Trevor Cahill left Saturday’s start against the Diamondbacks with left hip discomfort.

Five relievers limited the Diamondbacks to one hit in 5 2/3 innings after Cahill’s early departure in Saturday’s 5-2 win, but the Giants’ starting rotation has been hit hard by injuries.

Cahill is scheduled for an MRI on Sunday, Giants manager Gabe Kapler said. San Francisco is already without Jeff Samardzija and Drew Smyly, who are on the 10-day injured list, but it’s not known yet if Cahill will miss his next start.

“The fact that it’s something I’ve dealt with before, I’m not too overly concerned,” Cahill said. “Just something hopefully we’re just going to have to manage and treat it,