The Chicago Bears have the most victories in NFL history. They are 744-568-42.
Calgary flames
yes
Yes
On a full regular season, no. There would be no precedent for it in modern soccer.
13
Giants
It was Arsenal who went one season without a loss.
yes los angeles and phiphidalphia 76ers
The Yankees won 114 regular season games in 1998.
Until Super Bowl 44, no team had ever lost to Tampa Bay in the regular season and gone on to win a super bowl. The New Orleans Saints are the only team to do this.
lions
The Miami Dolphins