After losing free-agent catcher Austin Romine to the Tigers, the Yankees have added another veteran backup to the mix.

They signed Chris Iannetta to a minor league deal on Thursday, a source confirmed.

With Romine gone after serving as Gary Sanchez’s primary backup, Kyle Higashioka is expected to take over that role, but Iannetta and Erik Kratz — a 39-year-old the Yankees also signed to a minor league deal — will provide depth at the position and could play at Triple-A Scranton/Wilkes-Barre.

Iannetta has played 14 seasons in the majors, most of them with the Rockies, including the past two. He was designated for assignment by Colorado in August with a .728 OPS in 52 games.

He also spent four seasons with the Angels, one with the Mariners and one with the Diamondbacks before returning to the Rockies in 2018.

Earlier in the offseason, general manager Brian Cashman said he was “comfortable” with Higashioka serving as Romine’s backup.

“We feel he’s ready to go,’’ Cashman said of Higashioka in November, before Romine signed with Detroit.

Higashioka hasn’t hit at the major league level. He’ll turn 30 in April and is out of options, so the Yankees can’t send him back to the minors without passing him through waivers first.

The backup catching role has been important in The Bronx of late, since Sanchez has been hit by injuries throughout his career, so the Yankees will likely need more than one serviceable backup.

They’ve also hired Tanner Swanson as their new catching and quality control coach.

For the past few years, the Yankees have gotten some of the best bargains in baseball thanks to the production of Sanchez and Aaron Judge.

Both sluggers made less than $700,000 in 2019, their third full season in the majors — and both are due sizable raises as they head into arbitration for the first time.

Eligible players and teams are set to exchange numbers by Friday at noon, and most projections have Judge getting a bump to about $6.4 million, while Sanchez figures to get around $5.6 million.

James Paxton is also arbitration eligible for the last time before he hits free agency following this season, while Luis Cessa, Chad Green, Jonathan Holder, Tommy Kahnle and Jordan Montgomery are also set for arbitration.