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The rematch that the college football world has been waiting for is finally here.

A little over a month ago, John Mateer’s Oklahoma Sooners visited Ty Simpson’s Alabama Crimson Tide in Tuscaloosa on Nov. 15 and walked away with a decisive 23-21 victory.

Now, the clubs are meeting once again tonight at Norman, OK’s OU Memorial Stadium for a do-or-die first-round College Football Playoff matchup that will send the victor to the Rose Bowl for a date with the No. 1-ranked Indiana Hoosiers.

And, even with the recent loss looming large on their minds, Alabama have even more chips stacked against them.

Ahead of the high-stakes contest, Crimson Tide head coach Kalen DeBoer announced that defensive lineman LT Overton is “doubtful for this weekend.” He also missed their 28-7 loss against Georgia in the SEC Championship.

• When: Dec. 19, 8 p.m. ET
• Where: OU Memorial Stadium (Norman, OK)
• Channel: ESPN
• Streaming:DIRECTV (try it free)

Over the course of the two schools’ histories, the Sooners hold a 5-2-1 record dating back to 1962.

Here’s everything you need to know to watch Oklahoma vs. Alabama on ESPN for free.

Oklahoma vs. Alabama is scheduled to kick off today (Dec. 19) at 8 p.m. ET.

If you don’t have cable, you’ll need a live TV streaming service to stream the game for free.

DIRECTV is our top pick for watching college football live for free — its five-day free trial includes ESPN (plus many of the other channels you’ll need for the NCAA season). When the trial is over, you’ll pay as low as $49.99/month and gain access to over 90 live channels.

If you aren’t ready to commit to a full-on subscription, you can try a Sling Orange Day Pass. Priced at $4.99, you’ll get 24 hours of access to all Sling TV Orange has to offer, including ESPN. Sling also offers weekend and week-long passes for its Orange plan, which offer between three and seven days of access.