Welcome to the first day of the NFL wild-card playoffs.

In the first game, the Seattle Seahawks play at their NFC West rivals the San Francisco 49ers. Then, the Jacksonville Jaguars host the Los Angeles Chargers.

Refresh this blog throughout the games to track bad beats, movement on the live betting line, halftime bets and more.

UPDATES

3:43 p.m.: END OF THE THIRD QUARTER. 49ers 23, Seahawks 17. The 49ers are -1000 on the live line (Seahawks +625), spread -8½, total 52½.

3:38 p.m.: Nick Bosa pounces on the loose football, and the 49ers defense comes up with a big play leading 23-17 late in the third quarter. The 49ers are -800 on the live line (Seahawks +525), spread -8½, total 53½.

3:20 p.m.: Brock Purdy caps a 13-play drive with a 1-yard TD run and the 49ers lead the Seahawks 23-17 midway through the third quarter. The 49ers are -550 on the live line (Seahawks +400), spread -6½, total 55½.

3:11 p.m.: The 49ers get the ball to start the second half.

3:00 p.m.: Second-half line: 49ers -6, total 21½.

2:57 p.m.: HALFTIME: Seahawks 17, 49ers 16. First-half winners: Seahawks +6, over 20½. Jason Myers nailed a 56-yard kick for the outright cover by the underdog after a roughing-the-passer penalty with 1 second left in the half moved Seattle into field-goal position.

2:52 p.m.: The 49ers take a 16-14 lead over the Seahawks on a Robbie Gould field goal late in the second quarter. He’s over 7½ kicking points.

2:47 p.m.: Brandon Aiyuk is over 42½ receiving yards after that long reception.

2:42 p.m.: Two-minute warning. The 49ers are -250 on the live line (Seahawks +200), total 51½.

2:33 p.m.: Geno Smith floats a perfect pass down the sideline and D.K. Metcalf brings it in for a 50-yard touchdown. The Seahawks lead 14-13 with 5:01 left in the second quarter and the first-half over is in. The 49ers are -350 on the live line (Seahawks +270), spread -6½, total 53½.

2:27 p.m.: The 49ers drive stalls but they add Robbie Gould’s short field goal and now lead the Seahawks 13-7 midway through the second quarter. The 49ers are -700 on the live line (Seahawks +475), spread -10½, total 47½.

2:19 p.m.: Brock Purdy is high-stepping.

2:13 p.m.: Kenneth Walker III gets to the edge and scores on a 7-yard run. Seattle trails 10-7 with 13:14 left in the second quarter. That was a big response for Seahawks bettors. The 49ers are -550 on the live line (Seahawks +400), spread -9½, total 49½.

2:07 p.m.: END OF THE FIRST QUARTER. 49ers 10, Seahawks 0. First-quarter winners: 49ers -3, over 7½. The 49ers are -700 on the live line (Seahawks +475), spread -13½, total 45½.

1:56 p.m.: McCaffrey was 4-1 at the Westgate SuperBook to score the first touchdown and -175 to score anytime TD.

1:53 p.m.: Brock Purdy slides out of pressure and finds Christian McCaffrey in the flat for a 3-yard touchdown. That was all set up by McCaffrey’s 66-yard run on the first play of the drive. The 49ers lead 10-0 with 5:11 left in the first quarter and are -1400 on the live line (Seahawks +800), spread -16½, total 44½.

1:41 p.m.: Brock Purdy’s accuracy is a little off on the first drive and the 49ers settle for a 34-yard field goal from Robbie Gould to lead 3-0 over the Sehawks early in the first quarter. The 49ers are -550 on the live line (Seahawks +400), spread -11½, total 40½.

1:35 p.m.: The Seahawks gain 9 yards on first down and end up going three-and-out.

1:33 p.m.: Cool retro end zone art.

1:32 p.m.: The Seahawks and 49ers are underway from soggy Santa Clara, California.

1:25 p.m.: The 49ers are down to -9 at the Westgate SuperBook.

1:23 p.m.: Update from Station Casinos: