1Casa Pia's home defensive record (1 goal scored, 13 conceded in four matches) and failure to score in six consecutive games.
2Sporting CP's away attacking efficiency (10 goals scored in four matches) and clean sheet record (2 in away games).
3The expected goals differential (0.7 vs 3.2), reflecting the teams' contrasting attack and defense ratings at this venue.
4Casa Pia's overall league performance (3 goals scored, 17 conceded in eight matches) versus Sporting CP's dominance (20 goals scored, 9 conceded).
5The impact of key players for both teams, though specific injuries or absences are not detailed in the provided data.