A trickle of dried blood on Jordan Montgomery’s right earlobe was the only apparent remnant of what he called a “freak accident” Saturday at the Stadium before the Yankees’ 10-5 loss to Boston. It could have been much worse.

Montgomery, who is scheduled to start Sunday night’s series finale, was signing autographs down the rightfield line as the Red Sox took batting practice when a line drive sliced over the protective netting and struck him in the head. He said he suffered a cut on the ear and a bruise. Manager Joe Girardi said he passed a concussion protocol and remains scheduled to pitch.

“He went through it with our people and they feel that he is fine,” Girardi said. He added that he plans to check in with Montgomery on Sunday before he comes to the park and that “if he’s not fine then, we’ll figure something out.”

Said Montgomery, “I was behind a net. I mean, it’s a one-in-a-million chance it curves over it like that. It’s a cut — I got scraped by the seams, I guess . . . It was just a freak accident. I’m all right.”

The net is fairly high but the ball swerved right over it to hit Montgomery squarely in the head. He was guided off the field but said he could have done it on his own. He spent some time in the dugout pressing a towel to the right side of his head before getting checked out.

The 24-year-old had an eventful week. When the Yankees acquired Sonny Gray and Jaime Garcia before the July 31 non-waiver trade deadline, it gave them six starting pitchers. Despite a 7-6 record and a 4.05 ERA, Montgomery was deemed the odd man out and was demoted to Triple-A Scranton/Wilkes-Barre on Aug. 6. When CC Sabathia was put on the disabled list Friday with knee inflammation, Montgomery replaced him in the rotation and was penciled in to make Sunday night’s start on seven days’ rest. Now this.

“This was just a freak accident. I got sent down, I’m [now] just trying to help the team,” Montgomery said. “It’s whatever they call on me to do.”

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Girardi said that when he saw Montgomery “he looked fine,” but added, “We’ll check him tomorrow.”

If Montgomery performs up to snuff, the only real damage that batted ball may have done is to the fans. Asked if he was out during Boston’s batting practice simply to sign autographs, he replied, “Yeah — I probably won’t be doing that much anymore.”