Rotherham United 2-1 Chelsea

The silence that fell over the Rotherham Stadium in the thirty-fourth minute was not the silence of fear but of disbelief. Fábio Pequeno had just placed the ball on the spot, and the team that had not lost a league game all season stood watching, hands on hips, as the penalty was rolled calmly past Elias Jimenez.

By the time Thomas Bernardini swept in a second four minutes before the interval, the champions looked mortal for the first time in months. Billy Laing had given Chelsea the lead after seventeen minutes and would go on to be named player of the match, but this was Rotherham's afternoon, and the crowd who stayed to the end knew they had seen something that will be talked about in South Yorkshire for a generation.

Chelsea arrived unbeaten in their first twenty-one league games, twenty wins and a single draw at Manchester United. They had conceded ten league goals all season. They had beaten Rotherham 4-0 at home in August, their third league game of the campaign, and for long stretches of the first half it looked as though the script would be repeated. Laing, the game's outstanding performer, scored a fine goal and created four chances, and Chelsea finished with fifty-nine per cent of the ball and thirteen shots to Rotherham's four.

But the Millers, who had won four of their previous six and scored three in each of their last three league games, carried a threat that Chelsea could not smother. Pequeno's penalty, won and converted with the conviction of a side that believes it belongs at the top of English football, changed everything. Bernardini's finish from Manuel Miranda's pass did the rest, and from there Maciej Szramowski in the home goal made four saves to protect a lead that never felt entirely safe but never felt wholly under threat either.

This was a day for old boys and young pretenders. Norberto Pico, a Chelsea player now, spent his loan years at Rotherham in 2058-59 and came on at half-time to a warm reception. Tony Konneh, who came through at Chelsea before joining the Millers in the summer, was denied a run at his former club, named only among the substitutes. The sentiment was real but the points were the point, and Rotherham took all three.

The table makes sobering reading for anyone who believes this is a genuine title race. Chelsea remain top on sixty-one points from twenty-two games, sixteen clear of Liverpool, who have played a game more. Rotherham move up to third on forty-three points, two behind Liverpool with a game in hand, and two ahead of Southampton, who have a game in hand of their own. The champions' lead is enormous, but for one afternoon, in the cold Yorkshire light, the invincibles were beaten.

Rotherham's next test is to prove this was not a one-off. They have now beaten Manchester United and Chelsea in the same week, and the club that once spent decades between League One and the Championship is eight points clear of fifth place and looking like a serious European contender. The challenge for Calin Dimario's Chelsea is simpler: forget this afternoon, and carry on winning. They have spent the whole season making that look easy.

For the Millers, the celebration was brief and the message was clear. Joseph Dobbs blew the final whistle to a roar that shook the stands, and the players walked off to chants of a famous victory. This was not a title won, and nobody in red and white pretended otherwise. It was something else: proof that the biggest club in English football can be beaten, and that Rotherham United are no longer the outsiders of the Premier Division.