Camila Flamiano Domonoske covers cars, energy and the future of mobility for NPR's Business Desk. She can be reached via encrypted message at camiladomonoske.42 on Signal.

Tom Aspinall already was No. 1 in the ESPN heavyweight rankings, so nothing changes for him with the retirement of Jon Jones-- other than the small matter of him being elevated from interim to ...

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Men's pound-for-pound rankings Jon Jones has walked away from his MMA career, resulting in a reshuffling of the rankings. Jeff Bottari/Zuffa LLC via Getty Images ...