He held the world heavyweight title from 1937 to 1949 and made 25 successful championship defenses.

His 17 consecutive knockouts in championship defenses is a record for all boxing divisions.

He also appeared in the club's successful championship defense the following year, but only became a regular starter during the Invierno 1997 season.

It's been like a championship defense since then.

Now it has a chance to be a certified championship defense, which would buck tradition, the odds, and logic.

As a defensive specialist, Johnson expected to put together a championship defense.

They convinced me that my credibility would increase if I came here and helped build another championship defense.

No team wins a championship without a championship defense.

Now San Francisco may have a championship defense.

If anything, the Vikings proved that a championship defense can't be bought.