UFC Rio's Joel Alvarez shares 'night and day' differences in move from 155 to 170 pounds Life has changed quite a bit for Joel Alvarez, as he makes his move up to welterweight this Saturday at UFC Rio. Original Source: https://mmajunkie.usatoday.com/story/sports/mma/hablemos-mma/2025/10/09/ufc-rio-joel-alvarez-differences-short-notice-vicente-luque/86608183007/