Green Bay Packers cover man Trevor Davis, center, battles Bears cornerback Buster Skrine, left, and Deon Bush on punt coverage last Thursday in Chicago. (AP photo)

GREEN BAY, Wis. — Packers coach Matt LaFleur remembers vividly how challenging it was facing Mike Zimmer’s defense.

Zimmer’s defensive unit held LaFleur’s offense to a single touchdown when the two squared off nearly two years ago in Minnesota.

Zimmer was 10 games into what would eventually be a 13-3 season with an appearance in the NFC championship game for him in his fourth season as Vikings head coach. LaFleur was enjoying his first and only season as offensive coordinator for the Rams, who would finish 11-5 and lose in the wild-card round.

The two square off again Sunday when LaFleur and the Packers welcome Zimmer’s Vikings to Lambeau Field.

“It certainly is going to be a good task for our offense and a good measuring stick to see where we’re at, see how much we can improve from last week,” LaFleur said Monday.

LaFleur’s offense managed just one touchdown in a 10-3 win last week against Chicago, which boasts one of the top defenses in the league. The 10 points tied for the fewest Green Bay has scored against the Bears since Aaron Rodgers became the starting quarterback in 2008.

LaFleur said he anticipates another tough chess match when he sees Zimmer on the opposite sideline on Sunday.

“He stresses you,” LaFleur said. “He presents a lot of similar looks, and they do a lot of different things off of those looks. Then you combine that with the talent they have, and again on all three levels of that defense, they’ve got Pro Bowlers everywhere.”