Atlético Nacional's thin attack faces Medellín in Copa Colombia quarter-final

The state of play

Atlético Nacional meet Independiente Medellín in the Copa Colombia quarter-finals with the better recent record and the longer injury list. Nacional have taken 2.1 points per match over their last 10, built on six wins, three draws and one defeat. Medellín average 1.7 from five wins, two draws and three defeats.

Nacional's sequence reads D-W-D-D-L-W-W-W-W-W, so the draws and the single defeat sit at one end and a run of wins at the other. Medellín's reads W-L-D-L-W-D-L-W-W-W, a more uneven pattern that still finishes with three wins.

The team news cuts against Nacional. Alfredo Morelos, Andrés Sarmiento, Edwin Cardona and Marlos Moreno are all listed as injured, and each is a regular starter. Between them they have scored 13 goals in recent matches: four each for Morelos and Moreno, three for Sarmiento and two for Cardona. Medellín are without Juan Fernando Quintero, who has started five of eight recent matches and scored once.

Head to head

Nacional have won 14 of the 32 meetings, with 12 draws and six wins for Medellín. The recent run favours Nacional even more clearly: two wins and three draws in the last five, with no Medellín victory.

The latest meeting, on 12 April, finished 3-2 to Nacional away from home. Before that came a 1-0 Nacional win and a goalless draw in December, then two 1-1 draws in 2025. Across all 32 meetings the average is 2.47 goals, a figure that sits between the tight December games and the five goals in April.

The numbers behind it

Nacional's defence is the clearest edge. They have scored 20 and conceded nine in their last 10, a goal difference of plus 11. Medellín have scored 18 and conceded 13, plus five.

Medellín score at nearly the same rate, 1.8 goals per match against Nacional's 2.0, so the gap is at the back rather than in attack. The question is how much of Nacional's output survives without four regular starters. Their defensive record has no listed absentee behind it, which may matter more than the attacking losses.

Our view

The betting market implies about 48% for a Nacional win, 27% for a draw and 25% for a Medellín win. That makes Nacional favourites without making them strong ones: roughly one chance in four for the visitors is far from negligible.

The figures fit the evidence above. Nacional's defensive record and head-to-head dominance support the lean, while the four attacking absences argue for caution. These are estimates, not predictions, and a single cup tie between two sides this close is high-variance.