Miocic has competed at heavyweight his whole career - while Jones has spent most of his career at light-heavyweight.

Source: https://www.dailymail.co.uk/sport/mma/article-11822845/UFC-285-Jon-Jones-fight-following-dominant-victory-Ciryl-Gane.html?ns_mchannel=rss&ns_campaign=1490&ito=1490

Miocic hasn't fought since being obliterated by Francis Ngannou but is the consensus greatest heavyweight of all time.

Source: https://www.dailymail.co.uk/sport/live/article-11811971/Jon-Jones-vs-Ciryl-Gane-UFC-285-2023-Live-Result.html?ns_mchannel=rss&ns_campaign=1490&ito=1490

Miocic reacted to Jones’ remark by saying that he’s not changing his daily routine because Jones told him so.

Source: https://brobible.com/sports/article/stipe-miocic-jon-jones-ufc-295-firefighter/

Strickland also offered to help Jones’ next opponent, Stipe Miocic, train for the upcoming title fight.

Source: https://brobible.com/sports/article/ufc-fighter-jon-jones-fighting-a-mockery/

Two-time heavyweight champion Stipe Miocic was ringside watching the contest, and Jones immediately called out the former title holder.

Source: https://www.dailymail.co.uk/sport/mma/article-11822511/Ciryl-Gane-reflects-devastating-quick-defeat-Jon-Jones-UFC-285.html?ns_mchannel=rss&ns_campaign=1490&ito=1490

UFC 295 in New York was due to be headlined by legendary pair Jon Jones and Stipe Miocic.

Source: https://www.thesun.co.uk/sport/24711020/tom-aspinall-training-camp-injury-ufc-pavlovich/