Lyndon Arthur has three losses against two opponents on his boxing record. For a list of Arthur's best fights, refer to "Best fights of Lyndon Arthur".
On April 26, 2025 Lyndon Arthur faced off against Anthony Yarde in a light-heavyweight bout at age 33. He was coming in with a record of 24-3 (16), and Yarde was 33 years old and with a record of 26-3 (24). Arthur lost the fight via 12-round unanimous decision.
On December 23, 2023 Lyndon Arthur fought Dmitry Bivol in a light-heavyweight world-title fight for Bivol's WBA (Super) title. Arthur was 32 years old and with a record of 23-2 (16), and Bivol was 33 years old and with a record of 21-0 (11). Arthur lost the fight via 12-round unanimous decision.
On December 4, 2021 Lyndon Arthur faced off against Anthony Yarde in a light-heavyweight bout at age 30. He was coming in with a record of 19-1 (13), and Yarde was 30 years old and with a record of 21-2 (20). Arthur lost the fight via 4th-round KO.
