Updated SP+ rankings for all 138 FBS teams

The updated SP+ rankings are out, and it's a great time to dive into the numbers. For those who may not be familiar, SP+ is a ranking system that takes into account a team's performance on both sides of the ball, adjusted for the strength of their opponents. With 138 FBS teams now accounted for, we get a clearer picture of which teams are truly dominating on the field.

These rankings matter because they provide a more nuanced look at team performance beyond simple win-loss records. By factoring in strength of schedule and résumé SP+, we can see which teams are not only winning games but also doing so against quality opponents. This is especially important for teams on the bubble for postseason consideration, as a strong SP+ ranking can make a compelling case for inclusion. As we head into the final stretch of the regular season, these rankings will only continue to gain importance.

So what to watch next? Keep an eye on how teams move up or down in the rankings after each weekend's results. Also, pay attention to teams that are surging up the SP+ rankings despite a relatively weak strength of schedule - they may be due for a tough test soon. Conversely, teams that are holding steady near the top of the rankings despite a grueling schedule may be the ones to beat come playoff time. We'll be keeping a close eye on these rankings as the season winds down, and you should too.

Originally reported by espn.com. TourNews adds analysis for sports & fitness readers.