These are the most focused rivalries in the league,
as determined by the aggregate rivalry score (points of A->B + points of B->A).

Lakers 90.67 Celtics
Kings 79.27 Lakers
Mavericks 74.18 Spurs
Bucks 66.81 Bulls
Cavaliers 62.05 Warriors
Rockets 58.90 Mavericks
Pistons 56.05 Bulls
Suns 55.33 Spurs
Raptors 54.21 Nets
Nets 52.17 Knicks

One team's fans may see another team as a rival, but it isn't always reciprocated.
This list shows the largest gaps in Rivalry Score between two teams.

76.29 Kings 73.31 Lakers 2.98
63.75 Bucks 60.69 Bulls 3.06
51.52 Suns 47.70 Spurs 3.81
39.44 Jazz 39.01 Lakers 0.43
41.73 Grizzlies 37.98 Clippers 3.75
40.30 Suns 37.08 Lakers 3.22
36.55 Grizzlies 34.30 Thunder 2.25
33.13 76ers 31.78 Celtics 1.35
41.25 Nets 30.33 Knicks 10.92
38.33 Magic 30.25 Heat 8.08