Kevin Gemmell Last week we gave you our thoughts on the teams we thought had the toughest schedule. There are a couple different schools of thought. There is the straight-forward raw data -- which goes off of the combined records/winning percentage of last season's opponents. If you want to use that methodology, here's how the schedules shape up in terms of difficulty. California: 93-60 (.588) Colorado: 90-63 (.588) Utah: 90-64 (.584) Stanford: 88-65 (. Originally posted by ESPN.com - Pac-12 Blog Click here to view the article.