Just a game for 49ers — but what a game

It wasn’t for a championship, wasn’t for the record book. It was just a game. But what a game.

A game that offered what sports is supposed to offer, unpredictability, surprise and best of all for the 49ers — and their faithful — a victory.

A game that once and for all disproved any thought that Jimmy Garoppolo isn’t a worthy heir to Joe Montana and Steve Young, no matter what the future holds.

A game that with the Niners, once down 17-0, then in the closing minute of regulation down by a touchdown, managed to win, beating the Rams, 27-24, in overtime on a Robbie Gould field goal.

And oh yes, a game that got the Niners into the coming weekend’s wild card playoffs against the Cowboys, deep in the heartlessness of Texas.

You want drama? You want joy? You want irony? It was 40 years ago the Niners came back against Dallas in the playoffs and won historically when Montana and the late Dwight Clark connected on “The Catch.”

Which would elevate the Niners to their first Super Bowl.

That one was held at aging Candlestick Park, now gone. This one was held at the newest of stadia, $5 billion SoFi in Inglewood. That’s home to the Rams, though you might not have believed it from the crowd reaction.

It’s always been that way, hasn’t it, Niner fans coming south to make their presence felt?

On a Monday night at Anaheim Stadium in the late 1980s, John Taylor caught touchdown pass after touchdown pass, and from the cheering you’d have sworn you were in the Bay Area.

When the listless 49ers couldn’t move the ball and couldn’t keep the Rams from moving it in the first half Sunday — they were outgained, 149 to 83 — you’d have sworn the Niners’ season was done.

Yeah, wait ’til next year and that Trey Lance kid.

Someday, maybe next season, Lance presumably will be the Niners’ quarterback. Management — and Niner fans — can only hope he will show the courage and poise of Garoppolo.

Jimmy G had torn a ligament in the thumb of his throwing hand eight days earlier. The question was whether he even could throw, much less start. The question was answered positively and effectively.

“You learn how to adapt,” said Garoppolo. There was pain. There  was resilience. There was success.

Garoppolo was 23 for 32 for 316 yards and a touchdown. Most of all, for an offense dedicated to running the ball, there was leadership.

Niners coach Kyle Shanahan appeared to be gloatingly delighted, implying that all those who doubted Jimmy G and doubted Kyle himself had underestimated both.

Especially with Elijah Mitchell (21 carries for 85 yards) and Deebo Samuel (8 for 45 and one TD) running and pounding, and Samuel (4 catches for 95 yards), Brandon Aiyuk (6 for 107) and Jauan Jennings (6 for 94 and 2 TDs) receiving.

Remember that Rams game a few weeks back when the Niners ground out a victory? In the second half Sunday, they ran the ball on 10 straight plays. Maybe the only stat that counts is the final score, but in winning a sixth straight over L.A. the Niners had 449 yards, the Rams 265.

The saying in football is you win on defense. The Niners were a perfect example.

When needed, such as on a third down and short yardage in the first half, San Francisco, trailing 17-0, stopped the Rams and then was able to kick a field goal.

Asked how he felt after game, Garoppolo said, “It was an emotional game, up and down.”

Down and then up might be a more accurate description. And guaranteed at least one more game.