DUNEDIN, Fla. — What can be the dog days of spring training were interrupted Thursday afternoon by what never fails to pique interest at this time of year.

A young, powerful arm making his debut.

James Kaprielian, who described himself earlier in spring training as “a caged bull” in his desire to get into a game, received that opportunity Thursday afternoon against the Blue Jays at Florida Auto Exchange Stadium.

“The bull’s out of the cage,” the 23-year-old righthander, who took a fair amount of ribbing inside and outside the clubhouse for his “caged bull” comment, said with a smile after throwing two scoreless innings. “He’s wild.”

But headed next to minor-league camp.

The Yankees initially weren’t going to throw Kaprielian — who missed almost all of 2016 while recovering from a flexor tendon strain in his right elbow — in a game. The plan instead was to bring the 16th overall pick from the 2015 draft along slowly to ensure his readiness for April and high Class A Tampa, where he’ll begin the season.

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But general manager Brian Cashman said earlier in the week that Joe Girardi and pitching coach Larry Rothschild wanted to “reward” Kaprielian for his dutiful offseason work — starting in the Arizona Fall League — with at least one exhibition game.

“We talked earlier in the spring and there was a clear statement I wasn’t going to make the team out of camp,” Kaprielian said. “But me being the person I am, I’m going to compete like I’m trying to become an ace . . . Regardless of where I end up, I have to be able to pitch, so now my job’s to go pitch across the street [in minor league camp].”

Though a bit amped up — the first pitch of his outing was a 96-mph fastball that was fouled off by Anthony Alford — Kaprielian showed relatively good command of his arsenal. He allowed no hits and a walk and struck out three.

“It really looked good,” one National League talent evaluator said. “Changeup needs work, but his slider, that’s a big-league pitch. The stuff is there. He was as advertised.”

Kaprielian, who came on for the seventh inning, struck out Alford on a slider. He walked Richard Urena but got Steve Pearce to ground into a 5-4-3 double play.

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In the eighth, Kaprielian — whose fastball sat at 95 and peaked at 96, according to scouts — struck out Russell Martin and top prospect Rowdy Tellez, each time looking at a fastball. Jon Berti lined to right to end the inning.

There was the thought in the organization last year that if he had remained healthy, Kaprielian had a chance to reach the Bronx by season’s end. Is that possible in 2017?

“Yeah, I think so,” he said. “That’s the goal. I think I can help this team. Obviously, I need to stay healthy, but at the end of the day, regardless of where I am, I need to be able to pitch and throw strikes and give my team an opportunity to win. If it ends up being in the Bronx, it’s going to be a fun time and I hope I can help those guys win, but if it’s in A ball or Double-A or Triple-A, I’m going to try and do the same thing.”