It’s time to meet the managers.

Tony Vitello had never visited spring training, much less worked in professional baseball.

Craig Stammen?

He hadn’t coached or managed anywhere — unless we count his gig with a 7-and-under team in tiny Versailles, Ohio.

Vitello’s Giants came to the East Village on Monday to open a three-game series against Stammen’s Padres three games into each team’s season.

Here’s the lowdown on the journey ahead between these outlier managers:

Stammen has the faster car, although not by much.

The Padres’ bullpen gives Stammen, a former reliever, the only great unit among the two teams.

Mason Miller strikes out almost everyone. Lefty Adrián Morejón, coming off a dominant season, has added velocity. And now Jason Adam, who has a long record of consistent success, is close to returning in his comeback from a thigh injury.

As Stammen knows, a bullpen like this one can double the perceived IQ of any manager.

The second-best unit among the Padres and Giants?

A Padres outfield of Ramon Laureano, Jackson Merrill and Fernando Tatis Jr.

Attention, next Padres owner: if Laureano’s open to it, a contract extension may be a good idea.

Stammen had the advantage of working a few years in San Diego’s front office and pitching in the big leagues for more than a decade.

Vitello has gone from managing the high-powered Tennessee Volunteers to opening his first major league season against New York Yankees pitchers who appeared in October form.

It was so lopsided that giving aluminum bats to Giants hitters may not have resulted in any wins.

Unable to handle the Yankees’ heavy doses of velocity, the Giants scored just once, losing all three games.

Just like that, shovels of dirt began to descend upon Vitello’s club as it came south to San Diego.

The Giants became just the 10th team to start 0-3 while scoring no more than one run, noted Sports Illustrated’s Tom Verducci.

None of the previous nine, he added, made the playoffs.

“The 2016 San Diego Padres,” are the only other team to start 0-3 with one run or less at home, Verducci wrote. “They finished 68-94.”

Vitello’s Giants are more talented than the ‘16 Padres, who also had a rookie manager in Andy Green.

San Francisco has sizable home run power potential, led by veterans Rafael Devers, Willy Adames and Matt Chapman. Atop the rotation, Logan Webb and Robbie Ray stack up with many teams’ duos.

It is the team’s makeup, though, that the rookie manager said encourages him the most about the journey ahead.

“Leadership,” Vitello, 47, said in the dugout Monday before hitting fungos. “You’ve got a different type of leadership from a bunch of different guys. I can go all around and pick out specific instances, but the big thing is, we’ve got proper leaders on the pitching side and also on the position side.

“You get a little adversity, or things don’t go the way you want,  you have an opportunity to do two different things: get further apart, or get a little closer together,” he said. “I get a sense that it’s a group that’ll grow closer as the season goes on.”

I could be way off base, projecting the Padres for 86 wins, a few more than the Giants. Fangraphs.com’s analytics like the Giants a little better than the Padres, projecting 82 wins to 80 wins. ESPN’s baseball panelists forecast 83 wins from each team.

Vitello guided Tennessee to its first national title two years ago. He greatly impressed Giants general manager Buster Posey, the catcher on San Francisco’s three World Series winners. Posey bought out Vitello’s contract, saying that an unorthodox hire was needed. The Giants’ financial investment in Vitello, then, is greater than what Stammen commanded after A.J. Preller moved him from the front office to the manager’s job.

Neither rookie manager should lack for wise counsel.

Where Stammen can turn to former longtime Scott Servais and Bud Black, both Padres special assistants. His Giants counterpart can sound out ex-managers Ron Washington and Jayce Tingler on his staff, plus special assistants Bruce Bochy and Dusty Baker.

But the 40-man roster appears ordinary once again for a Giants franchise that has won 79 to 81 games each of the past four years. The Padres seem to have more depth.

Lauded by Posey for his high energy, ability to connect with people and his competitiveness, Vitello will be worth what the Giants paid to get him out of his Vols contract if he can squeeze out a few victories beyond what Posey had in mind from other candidates.