02-14-2022, 02:35 PM
If you don't count the LA Chargers (would be a bit too obvious for both current LA teams to be in a SB) or LV Raiders (only 2 years since move), then it's 5 of 7 teams reached SB and 4 of 7 won it.
The training, nutrition, medicine, fitness, playbooks and rules evolve. The athlete does not.