Sunday, Feb 11th — Late
Bye Week:
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Bills
Broncos
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End Around 6.23

Hilow is a game theory expert (courses at Harvard, Yale, Stanford, and Northwestern) and tournament champion who focuses on mid/high-stakes single-entry/three-entry max

MACRO SLATE VIEW::

As you’ll see when you get to the section below, Week 6 is the week of running back chalk. There are currently seven (SEVEN) running backs that are projected to be on more than 20 percent of rosters in play, with one major fulcrum chokepoint in Chuba Hubbard (for his low salary). As for the state of the slate, we have zero games above a 50-point game total and there are only two teams with a Vegas implied team total approaching or surpassing four touchdowns – the Dolphins (30.75) and Rams (27.75). Every other team carries a Vegas implied team total of 24.25 (Bengals) or lower. But beyond that macro view, this slate is setting up to have a large portion of rosters put together via extremely similar roster constructions, which is something we will always look to leverage away from. As we have largely handled slates in this “down scoring” year, we can gain significant leverage and boosts to expected value (EV) by searching for teams that outperform expectations.

On that note, I suggested in Discord recently that the dynamics of the running back position in DFS are likely changing. Basically, projection systems seem to have achieved the required sample size to back-test their algorithms enough to provide more narrowed median projections, leading to a state of equilibrium developing about the most projectable position – running back. Whether or not we have reached full equilibrium remains to be seen (still a relatively small sample size of 1.3 seasons, or about 24 iterations), but the recent hit rates of chalk at running back are startling. That said, we absolutely can’t simply look to ownership to judge a play. Rather, we should not let ownership scare us away from good on-paper plays simply for the sake of attempting to generate leverage, which would, by definition, simply dent expected value without generating an offsetting (and important) boost to expected value. For those who are familiar with my works in Game Theory (read my courses or listen to the Best Ball + series from this offseason) that should sound familiar. For those that haven’t, a quick crash course.

Equilibrium occurs when no agent or player can gain an appreciable edge through taking an action away from theoretical optimal, which could be defined as “playing the best on-paper plays at the running back position” for this discussion. An exploit is defined as an action straying from theoretical optimal designed to take advantage of field tendencies through observations of other agents (or players) in a game. Typically, we take exploitative actions because we gain a boost in EV greater than the loss in EV from the exploit itself. Because every deviation away from theoretical optimal will dent EV, this boost is necessary for profitable play, otherwise, we should simply stick to theoretical optimal action. If projection systems are at or approaching equilibrium at the running back position, we theoretically cannot gain that boost to EV to offset the loss in EV from the deviation or exploit.

RESTRICTIVE CHALK VS EXPANSIVE CHALK::

Quick explanation: restrictive chalk is an expected highly owned piece that restricts the maneuverability of the remainder of your roster while expansive chalk is an expected highly owned piece that allows for higher amounts of maneuverability on the remainder of your roster. Classifying various forms of chalk as either restrictive or expansive allows us to visualize what it means for roster construction on a given slate and how restrictive a certain player might be, meaning more of the field will look similar from a roster construction standpoint with that piece.

RAHEEM MOSTERT

NEITHER RESTRICTIVE NOR EXPANSIVE CHALK. There are only two teams on this slate with a Vegas implied team total around or surpassing four touchdowns. The Dolphins lead the way with a hefty 30.75 team total (the other is the Rams at 27.75). No other team has an implied team total over 24.25 (Jaguars). The Dolphins are also expected to be extremely thin at running back with De’Von Achane now on injured reserve and Jeff Wilson likely not ready to be activated in time for Week 6. That leaves just Raheem Mostert, Salvon Ahmed, and Chris Brooks as healthy backs for Miami against the sieve-like run defense of the Panthers, who rank dead last in run DVOA, allow 1.46 yards before contact per carry (25th), and surrender 4.9 yards per carry this season. The Dolphins lead the league in explosive rush rate. It all adds up here. That said, Mostert is highly unlikely to see more than 20-22 running back opportunities, instead likely to cede work to some combination of Ahmed and Brooks, meaning there are at least some things outside of the matchup and previous production to think about.

CHRISTIAN KIRK

NEITHER RESTRICTIVE NOR EXPANSIVE CHALK. Christian Kirk has seen 40 targets over his previous four games, during which time Zay Jones has either been out of the lineup or left early with injury. Jones will miss Week 6, leaving a combination of Tim Jones and Jamal Agnew to soak up the snaps leftover behind Kirk, Calvin Ridley, and tight end Evan Engram. The Colts play some of the heaviest rates of Cover-3 in the league, a defensive alignment that typically benefits opposing WR1s and the tight end, neither of which Kirk is. To put this play in context, Kirk has averaged 10 targets per game in his last four games, is priced at just $5,400, and plays for the team with the third highest Vegas implied team total. What is lost in that discussion is a modest (to put it lightly) 7.4 aDOT (87th), 1.84 yards per route run (41st), and elite man coverage route win rate (55.1 percent, sixth). The team’s zone-beater (and Cover-3-beater) is Calvin Ridley, who appears to be going largely overlooked on this slate.

CHUBA HUBBARD

EXPANSIVE CHALK. Per Draftsharks’ Jared Smola, Miles Sanders and Chuba Hubbard combine to average 19.2 carries and 7.6 targets per game this season. Sanders is out for Week 6 and head coach Frank Reich indicated this week that he expects Hubbard to soak up most of the backfield work in the absence of Sanders. While we can’t simply extrapolate those workload values to a backup running back on a team listed as the largest underdog on the week, we can expect lead back plus usage from Hubbard on a team that targets the running back position heavily. All wrapped up in a $4,300 salary on DraftKings. Can Hubbard reach the 100-yard rushing threshold, see four to six targets, and find paint in this spot (which would return a GPP-viable score)? His efficiency metrics this season seem to indicate it is well within his range of outcomes here, with the biggest uncertainty involving the expected game environment.

KYREN WILLIAMS

NEITHER RESTRICTIVE NOR EXPANSIVE CHALK. Kyren Williams has scored multiple touchdowns in three of five games this season, one of which came while sharing the backfield with Cam Akers. Even so, he has broken 100 yards just once in five games (it took 25 carries), his 3.8 true yards per carry ranks 37th in the league, and he has just one breakaway run on 77 carries. The matchup is good, the opportunity is good, but he is lacking talent, leaving paths to failure that the field might not be fully accounting for in this spot.

JA’MARR CHASE

RESTRICTIVE CHALK. We have talked about Ja’Marr Chase and head coach/offensive play caller Zac Taylor more than any other team, player, or coach this season, and for good reason. Taylor has shown extreme inconsistency in game planning and game management, primarily struggling to exploit two-high defensive looks and Cover-3, of which he will see a ton against the Seahawks in Week 6. While Joe Burrow’s calf looked a little healthier in Week 5, he still played almost exclusively from the gun. That limits a few things against the previously mentioned defensive alignments. Expected yards per carry suffers, pre-snap motioning ability lessens, and the offense becomes more constrained to higher rates of short area work. That places an increased emphasis on stringing drives together and a need to overcome longer down and distance situations due to an ineffective run game. Those should only be amplified against an extreme pass-funnel Seahawks defense that ranks second in run DVOA. Can Chase (and Taylor) overcome those limitations? Sure, they can, they have in two of their previous three games! That said, when things don’t come together, the team and Chase could fail hard.

JOSH JACOBS

RESTRICTIVE CHALK. Josh Jacobs, like Kyren Williams, carries extreme usage and massive share of team running back opportunities but has struggled with efficiency this season. His 2.87 yards per carry is lightyears behind where he was in 2022 when he took home the rushing title. The matchup against a struggling Patriots defense is worse than perception as New England ranks ninth in run DVOA and is holding opponents to just 3.6 yards per carry behind 1.27 yards allowed before contact this season. Jacobs is unlikely to break 100 yards in this spot, meaning he is likely going to need robust passing volume and multiple scores to pay off his price tag in this spot. In other words, he is highly unlikely to sink you for playing him (due to volume) but equally as unlikely to return a ”had to have it” score.

ALVIN KAMARA

RESTRICTIVE CHALK. 24 running back opportunities in both games since returning to the team from his three game suspension speaks volumes for Alvin Kamara in New Orleans. The Texans hold opposing backs to 1.29 yards before contact per carry but have struggled with missed tackles at an elevated rate, leading to a “still not terrible” 3.9 yards per carry allowed. Their primary shortcoming against the run is the eight rushing scores allowed through five games, which is tied for 30th in the league. Kamara’s efficiency metrics have been down over the previous three seasons since taking on a larger rushing workload, which has remained true in 2023 with a 4.0 true yards per carry (31st), 3.7 yards per touch (42nd), and low 14.3 percent juke rate (39th).

TRAVIS ETIENNE

RESTRICTIVE CHALK. Travis Etienne has always had the burst and vision to rip off chunk gains. He had been missing volume, which he now holds in spades (80.6 percent opportunity share ranks fifth in the league). Still, he has seen just eight red zone touches through five weeks, three of which came in the team’s Week 5 game in London. Was that a signal of more red zone work moving forward, or was that noise associated with a single game sample size? Your guess is as good as mine, but questions still remain.

EVAN ENGRAM

NEITHER RESTRICTIVE NOR EXPANSIVE CHALK. Evan Engram has exactly eight targets in each of his last four games, which aligns with the four games in which Zay Jones has either missed or not made it through due to knee injuries. As we noted above, Cover-3 defensive alignments typically filter additional volume to opposing tight ends, albeit with fewer chances for chunk gains and broken plays due to the increased number of defensive personnel in the middle of the field with their eyes in the backfield (on the quarterback). Consider Engram a high floor, moderate ceiling play against the Colts.

JOE MIXON

NEITHER RESTRICTIVE NOR EXPANSIVE CHALK. Really, we’re doing this again with Joe Mixon? Mixon has been one of the most inefficient backs during the previous two seasons and now must overcome taking most of his handoffs from a quarterback in the gun. He was stuffed two more times on goal-to-go attempts from the one last week.

CHALK BUILD::

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