Here is a list of Ruas's best fights. For a list of Ruas's losses, refer to "Marco Ruas Losses".
On September 8, 1995 Marco Ruas fought Paul Varelans in a null title fight for Varelans' UFC 7 Tournament title. Ruas was 34 years old and with a record of 4-0-1 (4), and Varelans was 25 years old and with a record of 3-1 (3). Ruas stopped Paul Varelans via 1st-round TKO and is crowned the new UFC null champion.
On September 8, 1995 Marco Ruas faced off against Remco Pardoel at age 34. He was coming in with a record of 3-0-1 (3), and Pardoel was 26 years old and with a record of 4-2 (4). Ruas stopped Remco Pardoel via submission.
On March 15, 1998 Marco Ruas faced off against Gary Goodridge at age 37. He was coming in with a record of 8-1-2 (8), and Goodridge was 32 years old and with a record of 7-5 (7). Ruas stopped Gary Goodridge via submission.
On November 11, 2001 Marco Ruas faced off against Jason Lambert at age 40. He was coming in with a record of 9-3-2 (9), and Lambert was 24 years old and with a record of 3-1 (3). Ruas stopped Jason Lambert via submission.
On September 8, 1995 Marco Ruas faced off against Larry Cureton at age 34. He was coming in with a record of 2-0-1 (2). Ruas stopped Larry Cureton via submission.
On December 16, 1995 Marco Ruas faced off against Keith Hackney at age 34. He was coming in with a record of 5-0-1 (5), and Hackney was 37 years old and with a record of 2-1 (2). Ruas stopped Keith Hackney via submission.
On March 16, 1997 Marco Ruas faced off against Patrick Smith at age 36. He was coming in with a record of 7-1-2 (7), and Smith was 33 years old and with a record of 4-7 (4). Ruas stopped Patrick Smith via submission.