Lots of people were skeptical about the ability of Chuck Liddell  to compete at a high level, at the age of 48 and after a seven-plus year break from fighting, and those folks likely feel validated today.
Liddell returned from retirement last night to face his longtime rival, Tito Ortiz, and as you can see by watching the clip below, the latter knocked him out in round one.
Welcome back to 2004, someone put on Lean Back
Tito Ortiz with the first round knockout of Chuck Liddell pic.twitter.com/VSp1rWCcTj 
— The Sports Quotient (@SportsQuotient) November 25, 2018 
The two fought before in 2004 and 2006, under the UFC banner, and Liddell stopped Ortiz in both bouts. Here are the main card results from the Los Angeles event (via MMA Junkie ):