Chuck Liddell to BJ Penn, Stop Street Fighting! | TMZ Sports

When it comes to street fights, Chuck Liddell has one important piece of advice for BJ Penn -- “It really isn’t worth it at this point in our lives.“ SUBSCRIBE -- About TMZ Sports: Some of the best stories in sports have been off the field and we’re reporting on athletes from NFL, NBA, UFC, WWE, MLB and more! Subscribe to TMZ Sports on YouTube for the latest news, exclusive interviews, clips from TMZ Sports on FS1 and videos of your favorite athletes and celebs. Need M