Start Sione Vaki or Corey Kiner? Week 9

Our Week 9 call

Start Corey Kiner over Sione Vaki in Week 9.

Market-based projections have Corey Kiner at 4.4 points and Sione Vaki at 3.6, a gap of 0.7. That is inside the noise of a single catch, so treat it as close to a coin flip. Sione Vaki's number is scaled up from a partial market: not every stat the position needs is posted yet, so the rest is estimated from what is. No player market is posted for Corey Kiner this week yet, so his 4.4 is the average of his market-based projections in Weeks 6, 7 and 8 (3.2, 3.3 and 6.6); the call is rebuilt when his market posts.

What the market projects

No Week 9 player market is posted for Corey Kiner yet. His market-based projections were 3.2, 3.3 and 6.6 points in Weeks 6, 7 and 8, an average of 4.4, which stands in until his Week 9 market posts.

The market-based projection for Corey Kiner is 0.3 touchdowns (9 market sources).

Player markets imply 3.7 fantasy points for Sione Vaki, with 90 percent of the markets a RB needs posted.

The market-based projection for Sione Vaki is 16 rushing yards and 0.2 touchdowns (10 and 12 market sources).

That puts Corey Kiner 0.7 points ahead of Sione Vaki on these projections.

Week 9 matchups

Corey Kiner and NE host GB on Sunday at 4:25 PM ET.

GB allowed 25.0 fantasy points a game to RBs this season over 8 games, the 7th most in the league.

Running backs ran for 94 yards and 1.3 touchdowns a game against GB and caught passes for 34 more yards.

Sione Vaki and DET visit MIA on Sunday at 1:00 PM ET.

MIA allowed 25.0 fantasy points a game to RBs this season over 7 games, the 8th most in the league.

Running backs ran for 106 yards and 0.4 touchdowns a game against MIA and caught passes for 41 more yards.

By points allowed to the position, Corey Kiner has the softer matchup.

Injury status

Corey Kiner is not on the injury report.

Sione Vaki is not on the injury report.

Usage before Week 9

Through Week 8, Corey Kiner played 13 percent of NE snaps, took 18 percent of the carries, drew 1 percent of the targets and had 14 percent of the red zone chances.

Corey Kiner, Week 5 against LV: 15 of 75 snaps, 6 carries for 52 yards, 1 target and 1 catch for 7 yards.

Corey Kiner, Week 6 against NYJ: 12 of 68 snaps, 11 carries for 57 yards, 0 targets and 0 catches for 0 yards.

Corey Kiner, Week 7 against CHI: 6 of 54 snaps, 4 carries for 13 yards, 0 targets and 0 catches for 0 yards.

Corey Kiner, Week 8 against MIA: 11 of 60 snaps, 7 carries for 38 yards, 0 targets and 0 catches for 0 yards.

Through Week 8, Sione Vaki played 24 percent of DET snaps, took 14 percent of the carries, drew 2 percent of the targets and had 1 percent of the red zone chances.

Sione Vaki, Week 4 against CAR: 12 of 71 snaps, 0 carries for 0 yards, 2 targets and 1 catch for 17 yards.

Sione Vaki, Week 5 against ARI: 23 of 66 snaps, 6 carries for 11 yards, 0 targets and 0 catches for 0 yards.

Sione Vaki, Week 7 against GB: 9 of 68 snaps, 1 carry for 5 yards, 0 targets and 0 catches for 0 yards.

Sione Vaki, Week 8 against MIN: 20 of 72 snaps, 11 carries for 65 yards, 1 target and 1 catch for 5 yards.

Their 2025 seasons

In 2025, Corey Kiner played 4 games for ARI and scored 9.3 PPR points, 2.3 a game, finishing RB112.

He ran 12 times for 58 yards and 0 touchdowns, and caught 2 of 3 targets for 15 yards.

He was on the field for 7 percent of the offense's snaps in the games he played.

In 2025, Sione Vaki played 11 games for DET and scored 0.4 PPR points, 0.0 a game, finishing RB143.

He ran 1 time for 4 yards and 0 touchdowns, and caught 0 of 0 targets for 0 yards.

He was on the field for 0 percent of the offense's snaps in the games he played.

Their other Week 9 calls

• Start Corey Kiner over CJ Donaldson.
• Start Dylan Sampson over Corey Kiner.
• Start George Holani over Corey Kiner.
• Start Sione Vaki over CJ Donaldson.
• Start George Holani over Sione Vaki.
• Start Sione Vaki over Isaiah Davis.