Week-by-week Playoff rankings:Week 10No. 1 Ohio StateNo. 2 LSUNo. 3 AlabamaNo. 4 Penn StateProjected CFP rankings: Who are the top four teams in college football?1. LSU (9-0)2. Ohio State (9-0)3. Clemson (10-0)4. Georgia (8-1)According to both SN’s Week 12 college football rankings and Week 12 Playoff picture, the top four will be No. 1 LSU, No. 2 Ohio State, No. 3 Clemson and No. 4 Georgia, again with Oregon and Alabama as the first teams out. How different will the second set of College Football Playoff rankings look this week?When the CFP committee unveiled its first set of Playoff rankings for the 2019 season, it featured two top-four teams that went on to lose their next games: No. 3 Alabama, and No. 4 Penn State. Who makes up the top four teams in the next set of rankings will be an entirely different matter — and indicative of what the final Playoff field might look like. There’s still football left to play, but time is running out for teams to make their Playoff case. That makes the second set of Playoff rankings, to be revealed Tuesday night, all the more important.With that, here’s everything you need to know to tune in and watch which teams will be ranked where:MORE: LSU-Alabama rematch is now committee’s biggest remaining debateWhat time are the College Football Playoff rankings released?Date: Tuesday, Nov. 12Start time: 7 p.m. ETThe College Football Playoff will unveil its second set rankings at 7 p.m. ET on Tuesday, Nov. 12. The rankings normally will be released at 7 p.m. ET every Tuesday until the end of the season. The final set will be released at noon on Sunday, Dec. 8.CFP rankings schedule 2019The College Football Playoff rankings will be released on five consecutive Tuesdays from Nov. 5 to Dec. 3. The final rankings will be unveiled Dec. 8, the day after conference championship games are played.Here is a look at the schedule:DateTimeTuesday, Nov. 59-9:30 p.m. ETTuesday, Nov. 127-8 p.m. ETTuesday, Nov. 197-8 p.m. ETTuesday, Nov. 267-8 p.m. ETTuesday, Dec. 37-7:30 p.m. ETSunday, Dec. 8Noon-4 p.m. ETCFP selection show channel, how to watchTV channel: ESPNLive stream: WatchESPNEach and every unveiling of the Playoff rankings will take place on ESPN and can be livestreamed on WatchESPN.The second set of rankings will air at 7 p.m. ET. The “College GameDay” crew of Rece Davis, Kirk Herbstreit, Jesse Palmer and Joey Galloway will reveal the committee’s weekly rankings of the season. CFP committee chairman Rob Mullens will then join the show to discuss the rankings.