Isaiah Williams or Cooper Kupp: who should I start in Week 5?

What the player markets price

The player markets price Isaiah Williams at 6.7 PPR points a game, built from 3 markets across 14 market sources. That is the 123rd highest figure of the 183 players the market prices.

The player markets price Cooper Kupp at 6.5 PPR points a game, built from 4 markets across 15 market sources. That is the 126th highest figure of the 183 players the market prices.

Where the draft room stands

Drafters have formed no consensus on Isaiah Williams: he carries no ADP, and the board ranks him 120th overall on the rest of his evidence.

Drafters have formed no consensus on Cooper Kupp: he carries no ADP, and the board ranks him 123rd overall on the rest of his evidence.

This season through Week 4

Through Week 4, Isaiah Williams has been on the field for 79 percent of NYJ snaps, drawn 11 percent of the targets and had 4 percent of the red zone chances.

He has taken 4 of the offence's 29 third down targets, had 0 of its 8 chances inside the five and seen 4 of its 21 two minute targets.

His 12 targets have averaged 7.0 air yards.

In Week 2 against GB he carried 1 time for 14 yards, caught 6 of 6 targets for 34 yards and did not score.

In Week 3 against DET he caught 1 of 2 targets for 21 yards and did not score.

In Week 4 against CHI he caught 2 of 3 targets for 73 yards and scored 1 touchdown.

Through Week 4, Cooper Kupp has been on the field for 60 percent of SEA snaps, drawn 10 percent of the targets and had 2 percent of the red zone chances.

He has taken 5 of the offence's 31 third down targets, had 0 of its 15 chances inside the five and seen 2 of its 15 two minute targets.

His 12 targets have averaged 9.6 air yards.

In Week 2 against ARI he caught 2 of 2 targets for 20 yards and did not score.

In Week 3 against WAS he caught 4 of 5 targets for 46 yards and scored 1 touchdown.

In Week 4 against LAC he caught 1 of 2 targets for 13 yards and did not score.

Their 2025 seasons

In 2025 Isaiah Williams played 15 games and scored 58.7 PPR points, 3.9 a game, finishing WR98.

He caught 26 of 36 targets for 193 yards and 0 touchdowns, with 1 red zone target.

That came to 2.4 targets a game, a 72 percent catch rate and 7.4 yards a catch.

He was on the field for 36 percent of the snaps in the games he played.

In 2025 Cooper Kupp played 16 games and scored 117.3 PPR points, 7.3 a game, finishing WR53.

He caught 47 of 70 targets for 593 yards and 2 touchdowns, with 12 red zone targets.

That came to 4.4 targets a game, a 67 percent catch rate and 12.6 yards a catch.

He was on the field for 76 percent of the snaps in the games he played.

Cooper Kupp was available for 1 game more.

Head to head

In 2025 Cooper Kupp scored 7.3 PPR points a game and Isaiah Williams 3.9, 3.4 a game between them.

Isaiah Williams finished WR98 that year and Cooper Kupp WR53.

Cooper Kupp had 34 more targets than Isaiah Williams, 70 to 36.

Cooper Kupp had 400 more receiving yards than Isaiah Williams, 593 to 193.

This season Isaiah Williams holds the bigger snap share, 79 percent against 60 percent.

This season Isaiah Williams holds the bigger target share, 11 percent against 10 percent.

Byes and availability

Cooper Kupp is off in Week 11. No bye is listed for Isaiah Williams.

What would change the answer

0.1 points a game is the entire case. The market restates it every week, and a line that moves moves the order with it.

The draft market is the half that is missing: when the consensus sample holds these two again it can order them differently from the price, and this page will follow the sample rather than the market price when it does.