It's just not anywhere near as bad as the 2020 bullpen, which had zero good late-inning relievers (this one still has two). And no statistics are meaningful, especially in a bullpen, over this small sample. (In fact, even the 2020 bullpen was small sample, but with only 60 games in the season there was no time to fix it when the first attempt failed even worse than the original group.)
For now you have to just keep hoping Romano (who still hasn't returned to a late inning/high leverage role) figures it out and Kerkering bounces back. It's the nature of the job. Where it could become a bigger concern is if they start being used more.
But, 22 games into this season, their bullpen owns the second-worst ERA (5.81) in baseball. They nearly blew a seven-run lead Saturday, then squandered a two-run lead in the eighth inning Sunday. They dropped the series finale to the Miami Marlins, 7-5, in 10 innings. Their relievers have pitched the second-fewest innings in MLB this season. Sunday marked the first time they lost a game when leading after seven innings.
Romano's not a dumpster dive, just an upside play like Kimbrel, Knebel, Brad Hand, Familia and several others. Sometimes it works, sometimes it doesn't, but the general approach of avoiding multi-year relief pitcher deals and traditional roles has been effective for them. At $4 million Ross isn't a dumpster dive either (versus a Ruiz or Hoffman or Bellatti), though I'm not sure it was necessary to get him as rotation insurance versus getting a more experienced reliever.