Yukio Sakaguchi has seven losses against seven opponents on his MMA record. For a list of Sakaguchi's best fights, refer to "Best fights of Yukio Sakaguchi".
On September 29, 2013 Yukio Sakaguchi faced off against Takafumi Ito at age 40. He was coming in with a record of 6-7 (5). Sakaguchi lost the fight via 2nd-round submission.
On November 23, 2009 Yukio Sakaguchi faced off against Kotetsu Boku at age 36. He was coming in with a record of 5-6 (5), and Boku was 32 years old and with a record of 14-6-2 (5). Sakaguchi lost the fight via 1st-round KO.
On June 7, 2009 Yukio Sakaguchi faced off against Satoru Kitaoka at age 35. He was coming in with a record of 4-5 (4). Sakaguchi lost the fight via 1st-round submission.
On December 31, 2008 Yukio Sakaguchi faced off against Andy Ologun at age 35. He was coming in with a record of 4-4 (4), and Ologun was 25 years old and with a record of 1-1 (0). Sakaguchi lost the fight via 1st-round KO.
On April 27, 2008 Yukio Sakaguchi faced off against Wataru Takahashi at age 34. He was coming in with a record of 2-3 (2). Sakaguchi lost the fight via 1st-round submission.
On October 14, 2007 Yukio Sakaguchi faced off against Asaki Honda at age 34. He was coming in with a record of 2-2 (2). Sakaguchi lost the fight via 1st-round submission.
On April 27, 2007 Yukio Sakaguchi faced off against Hyung Suk Choi at age 33. He was coming in with a record of 1-1 (1). Sakaguchi lost the fight via 1st-round KO.
