Matchday 32, Lazio 1-2 Sassuolo: Statistical Analysis

In Matchday 32 of the 2019/20 Serie A, Lazio were defeated 2-1 by Sassuolo at the Stadio Olimpico. Below, a statistical analysis of the game between the Biancocelesti and the Neroverdi.

Expected Goals (xG) Step Plot

The diagram above represents a summary of all simulations. The y-axis represents the cumulative xG (how many goals should be scored) and the x-axis represents time.

• Lazio: cumulative xG of 1.03
• Sassuolo: cumulative xG of 1.76

In addition, the diagram above summarizes every shot taken by each club. Each shot is represented by a step and the height of the step measures the xG outcome of that shot; the higher the step, the more likely that the shot taken should have been converted.

• Lazio: 10 total shots, 1 shot on target
• Sassuolo: 18 total shots, 3 shots on target

Furthermore, a dot with a name on the ‘Expected Goals Step Plot’ represents when a goal was scored and who the goal was scored by.

• Goalscorers (in order): Luis Alberto, Giacomo Raspadori, Francesco Caputo

Finally, the colored bar in the top left of the diagram shows the probability of each club winning the match or a draw occurring.

• Lazio: 20%
• Sassuolo: 56%
• Draw: 25%.

Outcome Probability Bar Chart

The charts in the diagram above are a summary of a 10,000-time simulation of the probability of how many goals each side should have scored and the actual number of goals each side scored.

• Lazio: most likely to score 1 goal, actually scored 1 goal
• Sassuolo: most likely to score 2 goals, actually scored 2 goals

Pass Network Plot & Shot Location Plot

The diagram above firstly shows the number of passes completed by each side in the match.

• Lazio: 383 passes with a 78.3% accuracy rate
• Sassuolo: 648 passes with an 86.6% accuracy rate

Secondly, the diagram outlines the most active players for each team. Each player is represented by a node; the size of each node denotes the number of touches each player had.

• Lazio’s most active players on the ball: Strakosha, Acerbi, Radu, Lazzari, Milinkovic-Savic
• Sassuolo’s most active players on the ball: Ferrari, Marlon Santos, Locatelli, Bourabia, Kyriakopoulos

Thirdly, the diagram indicates the pass connections between teammates. These connections are the shaded grey lines throughout the plots; the size and shade of the line between players indicates the frequency of a pass connection. It is important to note that the direction of each connection is not shown. These connections are outlined in light blue (Lazio) and green (Sassuolo).

• Lazio’s top five connections: Strakosha-Acerbi, Strakosha-Bastos, Radu-Jony, Bastos-Lazzari, Lazzari-Milinkovic
• Sassuolo’s top five connections: Boga-Kyriakopoulos, Kyriakopoulos-Ferrari, Ferrari-Marlon Santos, Ferrari-Locatelli, Marlon Santos-Bourabia

Finally, this diagram shows the coordinates of each shot. The shots are plotted as light grey dots while goals are plotted as dark blue dots. The size of each dot represents the xG; the bigger the dot, the higher the chance that this opportunity should have found the back of the net (been a dark blue dot).

• Lazio: 10 total shots, 1 shot on target
• Sassuolo: 18 total shots, 3 shots on target