Ludovit Klein will face off with Mateusz Rebecki at UFC 321 on Saturday, October 25, 2025. The opener has Klein at -135 while Rebecki is at +115.

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The time has come for another betting prediction and pick for UFC 321 as we turn our attention towards this next bout in the Lightweight (155) Division. Determined fighters look to bounce back from recent losses as Poland's Mateusz Rebecki takes on Slovakia's L'udovit Klein. Check our UFC odds series for the Rebecki-Klein prediction and pick.

Mateusz Rebecki (20-3) has gone 4-2 since joining the UFC in 2023. After earning a DWCS contract and winning his first three promotional fights, Rebecki has gone 1-2 over his last three and is hoping to bounce back in a big way as the slight betting underdog in this fight. Rebecki stands 5-foot-7 with a 66-inch reach.

L'udovit Klein (23-5-1) is currently 7-3-1 under the UFC banner since 2020. He notably went on a four-fight winning streak with victories over the likes of Thiago Moises and Roosevelt Roberts, but dropped his latest bout against Mateusz Gamrot. He'll look to bounce back with a better outing here. Klein stands 5-foot-7 with a 72.5-inch reach.

• L'udovit Klein vs Mateusz Rebecki
• L'udovit Klein vs Mateusz Rebecki Live
• Mateusz Rebecki vs L'udovit Klein
• Mateusz Rebecki vs L'udovit Klein Live
• Klein vs. Rebecki
• Klein vs. Rebecki Live
• Rebecki vs Klein
• Rebecki vs Klein Live