Greg Robinson, who helped the Broncos win Super Bowls in the 1997 and '98 seasons, was fired as Denver's defensive coordinator Tuesday amid criticism of the team's shoddy tackling and apparent lack of passion.
Broncos coach Mike Shanahan did not announce a successor. The team said Shanahan would discuss his decision Thursday.
Robinson, fired two days after Denver's 21-3 playoff loss to Baltimore, came to Denver with Shanahan in 1995 and helped the Broncos build a defense that relied on blitzes and a gambling secondary.
But since the second Super Bowl win, the defense seemed to lose some of its intimidating character, and the problems were magnified by season-ending injuries to linebacker John Mobley, defensive end Alfred Williams and safety Eric Brown in 1999.
Unable to put consistent pressure on opposing quarterbacks this season, the Broncos (11-6) were vulnerable to big plays and ranked last in the league against the pass.
They also were humbled in Week 8 when Cincinnati Bengals running back Corey Dillon rushed for an NFL-record 278 yards. Eight weeks later, Kansas City's Tony Richardson had a career-high 156 yards.
The Broncos were equally inept in their playoff loss Sunday as rookie Jamal Lewis ran for 110 yards, including a 27-yard touchdown that featured a missed tackle by Denver linebacker Al Wilson.
Robinson spent the 1994 season as defensive coordinator for the New York Jets. He coached the Jets defensive line from 1990-93.
Robinson was the offensive coordinator at UCLA in 1989 and was a defensive assistant for the Bruins from 1982-88.
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