Lazio goalkeeping coach Viotti attempts to confront Roma fan after derby

Roma's match against Inter on Saturday revealed a fundamental shift in how top coaches approach modern football. Gian Piero Gasperini made five substitutions in the fixture, a decision that exemplifies the sport's rapid tactical evolution. He replaced all three of his starting central defenders, a midfielder and an outside player, while keeping his attack unchanged throughout the ninety minutes. From the opposing dugout, Cristian Chivu made similarly bold choices, withdrawing a centre-back, a midfielder and a full-back before introducing his attacking changes only at the ninety-first minute. The match demonstrated how thoroughly the old certainties of football have eroded. For decades, an unwritten rule held that central defenders should never leave the pitch except through injury or at full-time. Chivu broke another long-standing taboo by making two substitutions immediately before a Roma corner kick and a set-piece—a move previously considered reckless. Both managers' decisions underscore how the sport now operates at such intensity that the five-substitution rule, introduced along with five-second throw-in limits and the ability to roll the ball out from the goalkeeper inside the penalty area, has become essential to surviving and controlling a match. Gasperini's own evolution on this matter is particularly telling. In previous comments on new regulations, the Grigliasco-born coach expressed reservations: "I don't like the five solutions, but I use them all. Teams don't drop off anymore; with all these changes nowadays it looks like basketball. Matches were prettier before, but these are the rules and I use all the slots." Today, he has abandoned those doubts entirely, converting the five-substitution rule into one of his primary weapons for reading and transforming matches in real time. The tactical performance against Inter confirms how thoroughly he has moved past those old reservations.

Leonardo Balerdi has become an indispensable leader of Roma's defence, translating a temperament forged in adversity into commanding performances at the highest level. Against Inter, he delivered a masterclass in defending, dominating his duel with Thuram through the match before asking to be substituted due to cramps. His performance—6 recoveries, 4 duels won out of 5, and 2 contrasts won out of 3—underscored just how vital he has become to Roma's ability to maintain a high defensive line. Barerdi's journey to this point has been marked by transformation. As a boy at Boca, his first coach nicknamed him "Rummenigge" for his physicality and blonde hair; teammates called him "Balazo" for his explosive temperament. He initially wanted to become a midfielder, inspired by Boca greats like Gago, Riquelme and Palermo, but his fierce character pushed him towards the centre of defence. At Marseille, however, that same intensity created friction. Manager De Zerbi publicly rebuked him after a defeat to Auxerre, saying—as reported by Équipe—"You have humiliated us and you have humiliated the club. You don't have the balls. And you, Leo, have less balls than all of them." At Roma, everything changed. Balerdi has blossomed into a complete defender: elegant, quick, dominant in the air and skilled in playing vertically. The sharpness of his defending against Inter—a spectacular battle of bodies with Thuram across the match—confirmed how much he has matured. When he departed the pitch, Roma's defensive shape immediately dropped deeper, a telling sign of his indispensability to the team's structure.

Leonardo Balerdi has made a powerful impression at Roma in recent appearances, drawing comparisons to figures from his past and present. His first coach at Villa Mercedes, Luis Lucero, once told Balerdi's father: "Your boy is going to be a Rummenigge." The 27-year-old defender shares some surface similarities with the Bayern Munich legend—blonde hair, height, technical ability and a good shot—but his career has taken a different path. After an early spell at Borussia Dortmund, Balerdi eventually settled into defence, though he initially resisted the position. "I didn't want to play in defence, I wanted to be a midfielder," he has said. Now, supporters and media are drawing fresh parallels between Balerdi and Walter Samuel, the former Argentine defender and vice-coach under Scaloni. Both products of Boca Juniors' school, Balerdi has quickly endeared himself to Roma's fanbase through a combination of aggression and composure. His defensive recovery work, distribution, physical presence in challenges and aerial ability have made an immediate impact. A recovery on Simeone in Turin sparked particular debate among local radio audiences. Against Inter, Balerdi delivered a commanding display: six defensive recoveries, four duels won out of five contested and two challenges won out of three. His influence was so significant that Roma deepened their defensive shape when Balerdi, suffering from cramps, requested substitution late in the match.