Lionel Messi and the unmistakeable sense of an ending

Miami Gardens, Fla. -- He sank to the ground, grimacing. Play continued for a few seconds, and then came the communal gasp.

Lionel Messi was down. And Messi is not a player who goes down for nothing.

Argentina's leader and chief playmaker clutched his right ankle. He had fallen on his own, with no obvious kick to point to as the cause of the injury that he knew meant his evening was over.

He took off his right boot and stood up gingerly. The trainers asked him how he was, but they must have known. He shuffled to the touchline, every step a little dagger in Argentine hearts. Then the board went up: Nicolás González on, Messi off.

Messi walked slowly to the bench and threw his boot to the floor. He sunk into his seat, with his face in his hands. Leandro Paredes, his teammate, ruffled his hair but said nothing. What was there to say?

A second or two later, the camera returned to Messi, zooming in on the most recognizable face in football. And Messi, the arch stoic, was no longer able to hold back the emotion.

The crowd chanted his name. Messi was sobbing.

The tears were for the moment -- Argentina needed him; they always do -- but it was impossible to abstract them from the wider context. For Messi, wherever he treads in this extended career outro, is always accompanied by the unmistakable sense of an ending.

Messi is 37. He confirmed earlier in the week that this was to be his final edition of the Copa América competition. The mood music around the Argentina camp has suggested that it might be his last major tournament, period. He will be 38 when the next World Cup starts in the United States, Mexico and Canada, and will turn 39 during the tournament.

Those endless summer days spent watching Messi gambol around the football field could now be numbered.

On this night in Miami, Argentina beat Colombia to win a record-breaking 16th Copa América title. Lautaro Martinez -- the Golden Boot-winner after a fifth goal -- scored the only goal of the game in extra-time to decide it. Colombia had not lost in 28 matches before Sunday.

Stopping is never an appealing prospect for any sportsperson. Messi's incredible longevity -- and continued excellence -- has been an effective shield against retirement talk, but no one can run forever. At some stage, everything you do becomes the last time. Everything comes laced with heavy finality.

Messi, clearly, seems to have some inkling of what awaits him on the other side. "I am a bit scared of it all ending," he told ESPN Argentina earlier this year. "I try not to think about it. I try to enjoy it. I do that more now because I'm aware there's not a lot of time left."

Here, on a stifling, charged night at Hard Rock Stadium, he surely wasn't banking on being denied a chunk of that remaining balance.

After the game, Argentina coach Lionel Scaloni said that Messi didn't want to come off but his injury forced the decision.

"Leo has something that everyone should have," Scaloni said. "He's the best in history and, even with an ankle like that, he doesn't want to go off.

"It's not because he's selfish but because he doesn't want to let his teammates down. He was born to be on a pitch."

At least there was, in the end, relief. When Martínez stroked home the winning goal four minutes before midnight, it was telling that the biggest huddle of players was not around the scorer. No, Argentina's players flocked to Messi, their guiding light.

"When we talk about players who have left a mark on the history of football, we try to extend their careers when we begin to see the end," Messi's Inter Miami coach, Tata Martino, said recently. "I believe that Leo and his family are preparing themselves for when that ending will come. It comes for everyone."

It has not come for Messi quite yet. He will play on in MLS when this injury heals, maybe even do his bit to get Argentina to the World Cup. But the end, the real end, is in sight.

"I'm lucky I can do something I'm passionate about," Messi said in the Apple documentary about his American adventure. "I know these are my last years, and I know when I don't have this, I'm going to miss it dearly because no matter how many things I find to do, nothing is going to be like this."

No more big finals, potentially. No more nights like this, raw and glorious. And so, long before the celebrations, he cried.