5:56pm: The signing is official, the Rockets announced on their website.
3:32pm: Hartenstein will receive a three-year contract, signaling that the Rockets will use a small portion of their mid-level exception to complete the signing, tweets Jonathan Feigen of The Houston Chronicle (Twitter link).
3:17pm: The Rockets will finalize a deal with draft-and-stash prospect Isaiah Hartenstein today, according to Mark Berman of Fox 26 Houston (Twitter link). We heard last week that Houston was looking to reach an agreement with its 2017 second-round pick.
Hartenstein, 20, had a strong showing for the Rockets during this year’s NBA Summer League after playing for the Rio Grande Valley Vipers – Houston’s G League affiliate – last season. Having averaged 9.5 PPG, 6.6 RPG, and 1.1 BPG in 38 games for the Vipers in 2017/18, the seven-footer posted 10.3 PPG, 8.0 RPG, and 2.3 BPG in four Summer League games earlier this month.
Before being selected 43rd overall in the 2017 draft and heading to the G League, Hartenstein played with Lithuanian club Zalgiris Kaunas, where he helped lead the team to a seventh straight Lithuanian Basketball Club title.
Terms of Hartenstein’s deal aren’t yet known. A minimum-salary agreement seems likely, but the Rockets could go up to three years if they decide to dip into their mid-level exception rather than using the minimum salary exception.
Hartenstein will be the second draft-and-stash prospect to sign an NBA contract this month. Jonah Bolden of the Sixers was the first.