Breakout watch: five players whose Week 1 snap count tells you the whole season

A breakout is not a good game. A good game is noise. A breakout is a role change - a player who was sharing snaps in August and is not sharing them in September - and you can see it in Week 1 if you know which number to look at. Five to watch, and the specific thing to watch for in each.

1. JAXON SMITH-NJIGBA, WR, SEAHAWKS. ALREADY HAPPENED. THE FACT: Smith-Njigba went for eight catches and 122 yards with a touchdown in the Kickoff Game - including a 45-yard catch-and-run score past Christian Gonzalez and a 21-yard conversion on third-and-22 - seven months after the same defense held him to four catches for 27 yards on 10 targets in Super Bowl LX. He did it with Sam Darnold leaving on the opening series and Drew Lock finishing the game. THE VERDICT: the breakout is confirmed and the quarterback change does not move him. A receiver who produces that line with the backup in is a WR1. Buy anyone who is discounting him over the Darnold injury.

2. ASHTON JEANTY, RB, RAIDERS (vs. Dolphins). WATCH: third-down snaps. THE FACT: Jeanty is back to full practice off an ankle injury with no designation, and Las Vegas is a three-point home favorite in a 40.5-total game. THE VERDICT: the rushing workload is already his. The season-defining question is whether he is on the field on third down, because in a run-heavy offense with a low total, receiving work is the entire difference between RB1 overall and RB12. Count his routes, not his carries.

3. MALIK NABERS, WR, GIANTS (vs. Cowboys). WATCH: target share in the second half. THE FACT: Nabers practiced in full and the team said he is ready to go despite carrying a knee designation through the week. Sunday night, 48.5 total, Dallas favored by three. THE VERDICT: he is going to get targets - that was never the question. The question is whether New York force-feeds him when the game tightens, which is the difference between a very good receiver and a positional cheat code. A primetime divisional game is the perfect test.

4. ROME ODUNZE, WR, BEARS (at Panthers). WATCH: whether he plays at all, then how much. THE FACT: Odunze was limited all week with a calf injury and is listed as questionable, but said publicly he expects to play Sunday at Carolina. Chicago is a three-point favorite in a 47.5-total game. THE VERDICT: this is the highest-variance name on the list. Calf injuries in Week 1 have a way of becoming calf injuries in Week 4. If he plays a full complement of snaps in a 47.5-point game, the breakout is on. If he is rotating, bench him next week and do not think twice.

5. ARVELL REESE, LB, GIANTS (vs. Cowboys). WATCH: defensive snap percentage. THE FACT: The fifth overall pick opens at weakside linebacker alongside Tremaine Edmunds. THE VERDICT: the most overlooked breakout candidate of the week because he is a defender in a league that only talks about offense. Rookie off-ball linebackers who play every down are the most reliable source of cheap IDP production in football. If he is near a full snap share on Sunday night, he is a top-five rookie IDP asset by October and you can still get him for nothing today.

THE PROCESS: box scores lie in Week 1 because touchdown variance is enormous in a one-game sample. Snap counts do not. Every name here is a bet on usage, and usage is published Monday. Read that, not the fantasy points.