22 years ago : Prime Garp (upper-mid top tier) & Prime Sengoku(upper-mid top tier) needed high diff to beat Shiki (high top tier) in 2v1
But people think 38 years ago:
Prime Garp (mid top tier) & Prime Roger (mid top tier) beat Xebec (who's above prime Shiki and prime Linlin) + Young WB (solid top tier) & Young Linlin (low top tier) + Rookie Kaido (high tier) in 2v4
Garp couldn't beat WB, Shiki, ROGER 1V1
Roger also couldn't beat his pirate rivals 1v1
But somehow they won 2v4 (well add also Shiki, so 2v5) at God Valley .
They beat Xebec and Kaido That's it