Championship Weekend Preview: Playoff what ifs?

FILE – In this Nov. 19, 2016, file photo, Clemson head coach Dabo Swinney shouts to officials in the first half of an NCAA college football game against Wake Forest, in Winston-Salem, N.C. Swinney and Virginia Tech’s Justin Fuente will be on opposite sidelines in Saturday’s ACC Championship game, but they were almost much closer than that: Then the offensive coordinator at TCU, Fuente was a finalist in 2011 when Swinney was looking for a young and innovative coach to direct the Tigers’ offense. (AP Photo/Chuck Burton, File) More

The College Football Playoff is the only thing that really matters this weekend.

Championship weekend is all about putting the playoff puzzle together. What if this team loses? What if this team wins? Two Big Ten teams? Three? Who is in?

The selection committee makes its big reveal Sunday.

Assuming Alabama and Ohio State are safely in the field, five scenarios to know going into the final weekend of college football’s regular season:

WHAT IF WASHINGTON AND CLEMSON WIN?

The selection committee uncorks a few bottles of wine and gets to sleep an extra hour Sunday.

Clemson was No. 3 in the last committee rankings and Washington was No. 4. The committee said Michigan was a really close fifth, but the Wolverines do not play while the Huskies can add a victory against Colorado and a Pac-12 title. The Huskies should be just fine.

The only intrigue on Sunday would be if the lack of a conference title drops Ohio State from No. 2 to three or four.

WHAT IF WASHINGTON LOSES?

Colorado, which is eighth going into the…