The cold reality at the Bernabeu

It is becoming a familiar and uncomfortable sight. Trent Alexander-Arnold, Liverpool academy product and one of the most decorated right-backs of his generation, watching a Real Madrid match from the bench rather than shaping it. Sunday's 4-1 victory over Sevilla was the fourth time this season he has been left out of the starting line-up in the league, and the pattern is beginning to look less like rotation and more like something altogether more permanent.

The numbers tell a stark story. Two league starts to his name this season, benched in three of the last four, and the manager who brought him to the club singing the praises of somebody else. That is not a squad player's rhythm. That is a player losing his grip on a place in the side.

Valverde takes the shirt, Mourinho takes the microphone

Jose Mourinho made no attempt to hide where his faith lies. After the Sevilla win, he was effusive about Fede Valverde, the man who took Alexander-Arnold's position at right-back. "The other day, half-jokingly and half-seriously, I said that if we had four Valverdes, they'd play in four different positions," Mourinho said. "He's one of the most versatile players in football today. He can play anywhere and at a very high level. Today, he played a brilliant game. He's the captain of Real Madrid, and if he has to play as a goalkeeper, then gloves on and into the goal."

That is an extraordinary level of praise, and it carries an implicit message for Alexander-Arnold. The situation has been further complicated by the arrival of Denzel Dumfries from Inter Milan in the summer, who has already racked up nine appearances across all competitions. The attempt to use Alexander-Arnold as a central midfielder in the Champions League opener against Inter Milan lasted 79 minutes and was an experiment Mourinho himself conceded had not worked. The door to an alternative role appears to have closed just as quickly as it opened.

A decision looming in the Spanish capital

When Alexander-Arnold spoke about the move last September, the excitement was palpable. "It was one of the toughest decisions of my life," he said. "Liverpool is my home; it made me who I am. But Madrid felt like the right step, at the right time. It is definitely a challenge, but it's a challenge I welcome." He spoke of personal transformation, of the weight of the Real Madrid jersey, of proving himself in a new context. The honest ambition in those words is not in question. The football reality, though, has been harder than he anticipated.

Rumours of a Premier League return have already begun circulating, and Liverpool's name has been mentioned. The Reds have not replaced Alexander-Arnold's particular brand of creative full-back play since his departure, and with Jeremie Frimpong and Conor Bradley both currently unavailable, the right-back position is threadbare. Ronald Araujo has filled in impressively on loan and can operate there, but that is a short-term fix rather than a solution. Manchester City have also been linked, though the cloud of 114 proven financial charges and the uncertain sanctions still to follow make any significant business there far from straightforward.

Alexander-Arnold has at least regained his England place under Thomas Tuchel, which speaks to his continuing quality. But quality without consistent minutes is a slow drain. He is 26, has the world in front of him, and right now he is watching Real Madrid win comfortably from the dugout. Something, at some point soon, will have to give.