Sean Koerner

Sean Koerner

2289 Posts
Sean Koerner
2289 Posts
NFL, college football, college basketball, player projections. have created team/player projection models for essentially every sport at some point
Role
Director of Predictive Analytics
Experience
20 years
Location
Los Angeles
Total Bets
3.4K
Followers
263.2K

Summary

Sean runs the predictive analytics at Action Network. From the in-game win probabilities in the award-winning Action Network app, to the DFS models on FantasyLabs, to the fantasy football rankings across the network. He also churns out fantasy/betting content for the NFL and is co-host for the Fantasy Flex pod and the betting show Convince Me

Sean creates projects for nearly every sport, from the WNBA to MLB to college hoops and everything in between.

Experience & Accolades

Sean is one of the most decorated fantasy analysts in the industry, finishing first in the FantasyPros In-Season Accuracy standings in 2023 – which measures almost all fantasy football analysts on their in-season projections over the course of the season. You can read more about their methodology here. He also won the in-season ranking title in 2015, 2016 and 2017. This past season, he not only finished first overall, but was the No. 1 ranker out of 180+ entrants in running back, wide receiver and kicker rankings. He was top 10 in quarterbacks and tight ends, as well.

His 2023 performance was arguably the best in the contest’s history:

  • It was a record fourth No. 1 finish in the accuracy contest
  • He was the first expert in history to be No. 1 at multiple positions (RB + WR)
  • He was the expert to finish top 10 at every position

Sean started to become obsessed with sports betting & fantasy football ever since his father took him to Las Vegas for his annual fantasy football draft (at 8 years old). Sean started trying to project teams/players ever since and almost every action/decision he's made since has led him to where he is today. He began betting 20 years ago and began his sports betting/fantasy sports career as soon as he graduated from college in 2007. Prior to joining Action in 2018, he worked for MGM, RotoHog/FastPoint games, Bloomberg Sports, STATS.

Sean began his betting career in college by building sports betting models. He eventually turned into a bookie in college before moving to Vegas to work at Excalibur Sportsbook as a supervisor. He decided to move back to California to begin a career in fantasy sports/betting at RotoHog as a product manager. That was when he began entering his season-long fantasy projections into the FSTA contests and won the award for most accurate season-long NFL & MLB projections 2-3 times each.

He then moved to NY to work for Bloomberg Sports as a product manager and Head of Projections. They were eventually acquired by STATS where he maintained the same role as a product manager. That was when he began entering his weekly NFL rankings into the FantasyPros accuracy contest and won first place 3 years in a row from 2015-2017. He joined Action Network in 2018.

Education

Sean has a BA in Psychology from Long Beach State and took multiple advanced stats classes. He spent most of his time in the library reading stats/sports betting books creating prediction models and using them to bet on various sports (MLB, NFL, NBA, WNBA, etc.).

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Sean Koerner's Picks

Today
The Texans have a new OC in Nick Caley from the McVay tree, and he led them to the 9th lowest pass rate over expected on early downs in their Week 1 loss to the Rams. Houston had to shuffle the OL with RG Ed Ingram out (he’s back tonight) and trailed for half the game, which was not ideal for Chubb. Even in that setup he finished with 13 carries for 60 yards, looking much closer to his pre-injury form. He was the clear lead back in short yardage with Dameon Pierce and rookie Woody Marks mixing in. The Texans also faced the fewest 3rd downs in the league (9) and converted them at a league-low 22%. That is a brutal environment for Chubb since his best chance at carries comes on 1st downs or in 3rd and short situations. Despite that, he still reached 13 attempts. On their FG drive in the 2nd quarter, Chubb opened with 4 straight runs before being spelled, and the team ran 3 more times on that series while up just 6-0. That shows how run heavy they can be in neutral or leading scripts. Tonight that script is more likely. The Texans are 2.5-point favorites and have been drawing sharp action. Tampa Bay was fortunate last week with Baker Mayfield avoiding 1–2 likely interceptions, and their play style under new OC John Grizzard looks like one that will be in the lower half of the league in time of possession. That should give Houston extra plays and more opportunities for Chubb. I project him closer to 14.4 rush attempts with about a 67% chance to clear 12.5. I would still take Over 13.5 at +106, where I show about a 58% chance he clears.
205
27
Pending
Thornton is a 4th-round rookie who saw his stock soar in the preseason and is already starting over 2nd-round pick Jack Bech. That didn’t surprise me since Bech’s route tree overlaps with Jakobi Meyers and Brock Bowers, which makes him more of a long-term option for 2026 and beyond if they move on from Meyers. Thornton, on the other hand, is useful right now as a deep threat. He saw 8 preseason targets with a 21.0 aDot and then a 24.8 aDot on 4 targets in Week 1. Three of those were 15+ yards downfield, so simply securing one clears this number. He already did it last week on a 36-yard catch where Geno underthrew him, but he tracked it perfectly. Thornton only played in 3WR sets, and the Raiders led for almost the entire game (trailed for just 7 minutes, the 9th lowest rate of Week 1). In a potentially trailing game script tonight, he could see more playing time and Geno needing to be more aggressive downfield. Geno is one of the league’s better downfield passers, and I can see him treating Thornton as his new “DK Metcalf” downfield option. The Chargers allowed four downfield targets last week. Tyquan Thornton (ironically in a similar role) saw three deep targets and caught one for 38 yards, while Hollywood Brown hauled in a 49-yarder. Those were Mahomes’ only four downfield attempts. Thornton is exactly the type of rookie I want to invest in through the longest reception market, just like Brian Thomas Jr. and Rashid Shaheed early in their careers. He’s going to be a volatile boom/bust option, but that’s exactly why this angle works. I also like his 26.5-yard receiving line, but I prefer this since one catch for 15–26 yards cashes here without needing him to get a second target. I project his median closer to 18.5 with around a 60% chance to clear 14.5. I still show him at about 58% to clear 15.5, so I’d be fine with that too.
183
23
Futures
Matthew Stafford o22.5-114
2025 NFL Regular Season - Total Passing TDs
0.57u
Discussed this on The Favorites
70
24
Cooper Kupp u700.5-114
2025 NFL Regular Season - Total Receiving Yards
1.14u
86
23
Javonte Williams u525.5-115
2025 NFL Regular Season - Total Rushing Yards
1.15u
48
16
Jared Verse o7.5-135
2025 NFL Regular Season - Total Sacks
1.35u
49
16
Past Performance
Yesterday6-8-043%
-1.53u
Last 7 Days7-8-047%
-1.03u
Last 30 Days16-27-136%
-5.03u
All Time1870-1511-3155%
216.66u
Top Leagues
NFL1052-835-1955%
122.74u
MLB290-245-454%
40.18u
NCAAB262-210-355%
28.85u
WNBA147-118-355%
19.47u
NCAAF36-23-259%
6.62u
UFL5-4-056%
0.60u
Golf0-3-00%
-0.60u
NBA78-71-052%
-1.01u
Betting Highlights
Favorite Bet of All-Time
Patrick Mahomes under 30.5 rushing yards for Super Bowl LIV. He had 44 yards going into the final drive. Kneeled down 3 times for -15 yards to drop down to 29 yards and hit the under
Most Heartbreaking Bet
Max bet Jimmy Graham under 23.5 rec yards in the WC playoff game against NO in 2020. He had 6 yards heading into the final drive with the Bears down 3-21. On the final play of the game, Mitch Trubisky finds Graham in the back of the end zone for an insane one handed grab for a 19-yard garbage time TD. Graham finished with 25 yards and I'm still tilted by this. Side note: Stuckey was on this prop with me.
Specialties
  • NFL
  • College football
  • College basketball
  • Player projections
  • Have created team/player projection models for essentially every sport at some point