After the Patriots’ playoff loss to the Titans on Saturday night, their 42-year-old star quarterback Tom Brady said it is “unlikely’’ he’ll retire after 20 seasons in New England.

Brady becomes a free agent on March 18 and speculation has run rampant about his future. If he doesn’t retire, he either stays in New England or signs with another team to play elsewhere.

This much seemed apparent after listening to Brady after the game: His final pass of the 2019 season was not the pick-six he threw, which former teammate Logan Ryan picked off to seal the Pats’ fate. It was the verbal pass he threw to coach Bill Belichick and team owner Robert Kraft after the game, leaving it in their respective hands whether to bring him back for a 21st season in New England.

If he does leave, here are the most likely destinations:

There’s uncertainty about whether Philip Rivers will return for a 17th season with the Chargers, who are coming off a 5-11 season with Rivers having thrown 20 INTs to go with 23 TDs. The Chargers also will be moving into a new shared LA stadium with the Rams and are in the throes of a franchise identity crisis since moving out of San Diego. They need to sell PSLs. Brady, a California native, could add some buzz to a team whose fan base has dwindled. He would have some talent around him with Keenan Allen, Mike Williams and Hunter Henry.

Another team that could use some buzz. The Raiders will embark on their first season in Vegas and it seems clear that head coach Jon Gruden is not sold on incumbent Derek Carr.

After the season, the Bears coaches stated that the plan is to stick with Mitch Trubisky despite his inconsistency. But plans are made to be broken — especially if a Hall of Fame quarterback becomes available.

With Andrew Luck having retired this season and Jacoby Brissett having been underwhelming, the Colts could be in the market to make a run at Brady. The Colts have one of the best offensive lines in the league, a good tight end in Jack Doyle and T.Y. Hilton, one of the NFL’s top receivers.

If Patriots offensive coordinator Josh McDaniels lands in Carolina, this makes sense, especially with Cam Newton’s health in question.

This is a longshot considering Dak Prescott is the Cowboys franchise quarterback. But Prescott still has yet to get his new contract. It would make sense for Brady given the offensive weapons the Cowboys have in place, but not a lot of sense for the Cowboys to give up on a young franchise quarterback for a year or two of Brady before he retires.

Bucs coach Bruce Arians isn’t exactly committed to Jameis Winston, who’s about to become a free agent and is coming off a wildly inconsistent season with 33 TDs and 30 INTs.