Isaiah Hartenstein

Isaiah Hartenstein

26-Year-Old CenterC
Oklahoma City Thunder
Out
Injury Hand
Est. Return 12/3/2024
2024 Fantasy Outlook
After years of frustration, Hartenstein realized his potential during the 2023-24 season, putting together a career-best campaign. Despite starting the year as the backup behind Mitchell Robinson, Hartenstein started more games than ever thanks to a significant injury to Robinson. Hartenstein ended with averages of 7.8 points, 8.3 rebounds, 2.5 assists, 1.2 steals and 1.1 blocks in 25.3 minutes per game, good enough for top-75 value. Following his breakout, Hartenstein was signed by the Thunder, a team desperately in need of a big body to play either behind or alongside Chet Holmgren. While his role is a little unclear, it's safe to assume that Hartenstein should see upwards of 25 minutes per game once again. While his ceiling remains capped as long as Holmgren is healthy, there is no reason to think Hartenstein can't flirt with top-100 value. If Oklahoma City decides to start Hartenstein next to Holmgren at any point, the former's short-term value could see a small bump. No matter his assigned role, Hartenstein makes for a viable late-round target, even more so for anyone punting points. Read Past Outlooks
RANKS
Current Season
From Preseason
#131
ADP
$Signed a two-year, $58.5 million contract with the Thunder in July of 2024. Contract includes $28.5 million team option for 2026-27.
Personal Bio/PreCareer Summary

Isaiah Hartenstein was born in Eugene, Oregon, to Florian (Flo) and Theresa Hartenstein. His father played basketball at the University of Oregon and professionally in Germany. That led the Hartenstein family to move to Germany in 2008. Isaiah Hartenstein later spent four seasons playing in Germany's youth and boys divisions from 2011-12 through 2014-15. He represented Germany in three FIBA events at the U16 and U18 levels, averaging 12.2 points and 9.1 rebounds per game. In 2016, he took part in the NBA's Basketball Without Borders camp. Learn more about Hartenstein by following him on Twitter and on Instagram (@Ipjh55). The Geman-born Hartenstein followed his father into basketball. He first appeared for the Artland Dragons' junior team and was the MVP of the Under-16 Bundesliga JBBL. The seven-footer posted 20.9 points, 12.1 rebounds, 3.4 assists, 2.9 steals and 1.9 blocks. He played in the 2014 Jordan Brand Classic and put up four points and five rebounds across 18 minutes. He played for the Dragons again in 2015-16 and provided 11.5 points, 8.9 rebounds and 2.1 blocks. The center moved to Zalgiris Kaunas in Lithuania and helped the team win the King Mindaugas Cup for the first time in franchise history. He played in the 2017 Nike Hoop Summit and provided 10 points and three rebounds. He then declared for the 2017 NBA Draft. He was selected with the 43rd overall pick in the 2017 NBA Draft by the Houston Rockets.

Out at least five weeks
COklahoma City Thunder
Hand
October 17, 2024
The Thunder announced Thursday that Hartenstein suffered a non-displaced fracture in his left hand and will be re-evaluated in 5-to-6 weeks, Shams Charania of ESPN reports.
ANALYSIS
Hartenstein suffered the injury during the second half of Tuesday's preseason game versus the Nuggets. After averaging 25.3 minutes per game over 75 appearances for the Knicks in 2023-24, the 26-year-old signed a three-year, $87 million contract with the Thunder this summer and was expected to be the Oklahoma City's starting center in a frontcourt featuring Chet Holmgren at power forward. However, with Hartenstein likely out until at least early December, Holmgren should slide over to the center position, and Alex Caruso could enter the starting five.
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Stat Review
How does Isaiah Hartenstein compare to other players?
This section compares his stats with all players from the previous three seasons (minimum 200 minutes played)*. The bar represents the player's percentile rank. For example, if the bar is halfway across, then the player falls into the 50th percentile for that stat and it would be considered average.
  • True Shooting %
    An advanced statistic that measures a player's efficiency at shooting the ball that takes field goal percentage, free throw percentage, and three point percentage into account.
  • Effective Field Goal %
    A statistic that adjusts field goal percentage to account for the fact that three-point field goals count for three points while field goals only count for two points.
  • 3-Point Attempt Rate
    Percentage of field goal attempts from three point range.
  • Free Throw Rate
    Number of free throw attempts per field goal attempt.
  • Offensive Rebound %
    An estimate of the percentage of available offensive rebounds a player grabbed while they were on the floor.
  • Defensive Rebound %
    An estimate of the percentage of available defensive rebounds a player grabbed while they were on the floor.
  • Total Rebound %
    An estimate of the percentage of available rebounds a player grabbed while they were on the floor.
  • Assist %
    An estimate of the percentage of teammate field goals a player assisted while they were on the floor.
  • Steal %
    An estimate of the percentage of opponent possessions that end with a steal by the player while they were on the floor.
  • Block %
    An estimate of the percentage of opponent two-point field goal attempts blocked by the player while they were on the floor.
  • Turnover %
    An estimate of turnovers committed per 100 plays.
  • Usage %
    An estimate of the percentage of team plays used by a player while they were on the floor.
  • Fantasy Points Per Game
    NBA Fantasy Points Per Game.
  • Fantasy Points Per Minute
    NBA Fantasy Points Per Minute.
True Shooting %
67.0%
 
Effective Field Goal %
64.5%
 
3-Point Attempt Rate
0.8%
 
Free Throw Rate
43.0%
 
Offensive Rebound %
14.4%
 
Defensive Rebound %
22.8%
 
Total Rebound %
18.5%
 
Assist %
13.6%
 
Steal %
2.1%
 
Block %
4.2%
 
Turnover %
12.9%
 
Usage %
0.0%
 
Fantasy Points Per Game
27.2
 
Fantasy Points Per Minute
1.1
 
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NBA Historical Fantasy Stats
How are these ratings calculated?
Our historical fantasy ratings are standard scores calculated using 8-Category settings with 12 teams and 13 players per team.
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Thunder Depth Chart
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Thunder Rotation: Minutes Breakdown
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Average Fantasy Points
Average Fantasy Points are determined when Isaiah Hartenstein was active vs. non-active during the season. Click here to view average fantasy points for a different time period.
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Past Fantasy Outlooks
2023
2022
2020
2019
2018
Hartenstein has been a per-minute stud throughout his career, but that didn't carry over into last season. The big man averaged 5.0 points, 6.5 rebounds, 1.2 assists, 0.6 steals and 0.8 blocks on 53.5 percent shooting across nearly 20 minutes a night. Most of those numbers are fantastic for a 20-minute player, but scoring just five points per game is unusual from such a talented big man. The reduced efficiency is the primary reason for the fall off, with Hartenstein shooting 61 percent in the three previous years. He also had plenty of chances to take on a bigger workload when Julius Randle and Mitchell Robinson were sidelined, but his averages weren't any different in his eight games as a starter. The big man fills every stat that you want to see in fantasy basketball, but it really doesn't matter in a role like this. Being stuck behind minute hounds like Randle and Robinson is rough for Hartenstein's fantasy value, especially since Jericho Sims and Isaiah Roby are also in the picture. It would take a ton of injuries for Hartenstein to become a fantasy-relevant option, but he's always a sneaky stream or DFS target whenever one of those big men has to sit.
Despite playing just 17.9 minutes per game with the Clippers last season, Hartenstein was a fringe standard league option at center - a position of scarcity. His numbers excellently translate to fantasy, and he ranked 148th in per-game production behind 8.3 points on 62.6 percent shooting, 4.9 rebounds, 2.4 assists and 1.8 combined blocks-plus-steals. The 24-year-old big man also shot an acceptable 68.9 percent from the charity stripe on 1.9 attempts per game. He signed a contract with the Knicks this season, where he'll presumably claim the backup job behind Mitchell Robinson. That said, Robinson has never played more than 27.5 minutes per game in a season, so he and Hartenstein may end up more in a time split. If Hartenstein continues having a similar usage level as he did on the Clippers, he could fall in fantasy sleeper territory this season. When seeing minutes in the 20s last year, the center averaged 11.3 points, 6.4 rebounds, 3.9 assists and 2.3 combined blocks-plus-steals - sizable numbers that would certainly hold standard-league relevance. Managers in standard leagues may have an opportunity to grab him off the waiver wire at some point, but he should be a staple as a draft-day flier in deeper leagues and best ball formats.
Hartenstein is expected to compete with Paul Millsap and rookie Zeke Nnaji for the top backup role at center behind superstar Nikola Jokic. Over his 23 appearances with the Rockets in 2019-20, Hartenstein was one of the league's stronger producers on a per-minute basis. He averaged 4.7 points, 3.9 rebounds, 0.8 assists, 0.5 blocks and 0.4 steals in 11.6 minutes of run while converting at a 65.7 percent clip from the field. However, given the 22-year-old's expected role this season, he can largely be passed on from a fantasy standpoint.
A second-round pick in 2017, Hartenstein mostly toiled in the G League over his first two professional seasons. The seven-footer averaged 9.5 points and 6.5 rebounds over 38 games for Rio Grande during the 2017-18 campaign before putting up 19.5 points, 14.7 rebounds, 3.8 assists and 2.0 blocks across 32.3 minutes over 26 games for the Vipers last season. Hartenstein also got his first taste of action at the NBA level, appearing in another 28 games for the Rockets during 2018-19 and parlaying a modest 7.9 minutes per contest into averages of 1.9 points and 1.7 rebounds (28 games). Hartenstein then continued his development in the Las Vegas Summer League and was on his way to a stellar showing by putting 16.0 points, 8.7 rebounds, 1.7 blocks and 1.7 steals over his first three games in the desert before a right ankle injury shut him down. As that collection of numbers indicates, Hartenstein has essentially demonstrated improvement on each occasion that he's been given extended playing time, which bodes well for his future prospects. However, in Houston, his path to meaningful playing time to open the new season is blocked by Clint Capela at the top of the center depth chart, along with a pair of grizzled but still capable veterans in Tyson Chandler and Nene Hilario behind him. Therefore, Hartenstein may be set for a modest allotment of playing time for a second straight season when it comes to the NBA level, although it's certainly possible he moves up a notch on the depth chart if Chandler proves to be expendable or experiences a notable downturn in his play during what will be his age-36 season.
Hartenstein was drafted by the Rockets in the second round of the 2017 draft, but spent last year in the G League, where he averaged 9.5 points, 6.6 rebounds and 1.2 assists in just under 19 minutes per game. The German native then joined the Rockets for summer league this July and came out of it with a guaranteed contract. He'll provide depth at both power forward and center, but will likely spend most of the year in a developmental capacity and will likely need multiple injuries to occur to become a relevant Fantasy player.
More Fantasy News
Efficient as starter
COklahoma City Thunder
October 16, 2024
Hartenstein delivered 11 points (4-7 FG, 3-7 FT), three rebounds, three assists, a steal and a block across 21 minutes in Tuesday's 124-94 preseason win over the Nuggets.
ANALYSIS
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Starting Tuesday
COklahoma City Thunder
October 15, 2024
Hartenstein will crack the starting lineup in Tuesday's preseason game against Denver.
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Grabs nine rebounds off bench
COklahoma City Thunder
October 10, 2024
Hartenstein posted six points (2-3 FG, 2-4 FT), nine rebounds, three assists, a steal and a block across 15 minutes off the bench in Wednesday's 122-113 preseason loss to the Rockets.
ANALYSIS
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Not starting preseason opener
COklahoma City Thunder
October 7, 2024
Hartenstein won't start Monday's preseason game against the Spurs, Rylan Stiles of FanSided.com reports.
ANALYSIS
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Bound for OKC on three-year deal
COklahoma City Thunder
July 1, 2024
Hartenstein agreed with the Thunder on a three-year, $87 million contract Monday, Shams Charania of The Athletic reports.
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Latest Fantasy Rumors
Continues to work on threes
COklahoma City Thunder
October 3, 2024
Hartenstein continues to work on his three-point shooting at training camp, Clemente Almanza of OKC Thunder Wire reports. "I've been shooting them. Just getting back in a rhythm. Just getting back into the reps of those," Hartenstein said. "So it's been going good. Just keep building off that. Mark is giving me the confidence. He wants me to shoot them."
ANALYSIS
Don't expect the seven-footer to dribble the ball up and attempt contested stepback three-pointers, as he's more likely to shoot from beyond the arc with open space and in the rhythm of the offense. Hartenstein produced averages of 7.8 points, 8.3 rebounds, 2.5 assists, 1.2 steals and 1.1 blocks in 25.3 minutes per contest over 75 regular-season appearances, and if he can shoot threes at a respectable rate, he'll add another dangerous threat to what's an already potent Thunder offense.
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