Arouca does not lose in 14 out of 16 last matches.
Arouca does not lose by more than 1 goal in 39 out of 45 last matches.
Arouca does not concede in 8 out of 14 last matches.
10 out of 11 last matches involving Nacional did not end in a draw.
Nacional concedes in 8 matches straight.
In 6 out of 7 last matches, Nacional concedes in the second half.
In 4 out of 5 last matches, Nacional lost the first half.
Arouca does not lose at home by more than 1 goal in 18 out of 19 last matches.
Nacional does not win away in 22 out of 25 last matches.
Nacional concedes away in 10 out of 11 last matches.