How it happened
Nashville SC settled this fixture before the half-hour. Hany Mukhtar scored in the 10th minute, Surridge added a second in the 17th and Andy Najar made it 3-0 in the 29th.
Sporting Kansas City did not score and did not threaten a way back. Nashville were 3-0 up at the break and added a fourth in the 90+5th minute, when Madrigal converted a penalty.
No red cards were shown.
The numbers
The margin matched the underlying figures. Nashville took 18 shots to Sporting's eight, and 11 of them were on target against one from the visitors. Expected goals finished at 3.77 to 0.47. Corners went seven to four in the hosts' favour.
Possession was close, and slightly in Sporting's favour at 51% to 49%. Nashville simply did far more with the ball they had.
Najar had the highest match rating on the pitch, 9.2, with a goal and an assist from 43 touches in 68 minutes. Mukhtar followed on 9.1 with a goal, an assist and three key passes in 76 minutes, and his expected goals total of 1.11 was the largest of any player listed. Elias Saad, who played the full 90 minutes, earned a match rating of 8.8 and made three key passes.
Cleveland was the busiest player in the Sporting side. He made six saves and received a match rating of 8.2.
What it means
Nashville sit first in MLS with 66 points from 29 matches, with 20 wins and a goal difference of +40. They have won seven of their last 10, drawn two and lost one, scoring 24 and conceding seven.
Sporting Kansas City are 30th on 22 points, with six wins and 19 defeats. Over their last 10 they have won two, drawn two and lost six, conceding 24 goals.
The four-goal margin is the widest of the five meetings between the clubs listed. Nashville have now won three of them to Sporting's two, with no draws.