Jacob Groves is joining his brother Tanner as a transfer from Eastern Washington basketball to Oklahoma.
Ethan Chargois from SMU and Jordan Goldwire from Duke are also joining the Sooners as transfers for new coach Porter Moser.
Tanner Groves, the 2021 Big Sky Conference Player of the Year, averaged 17.2 points and 8.0 rebounds while shooting 56.0% from the field as a junior this past season. The 6-foot-9 forward comes to Norman with up to two years of eligibility remaining.
Jacob Groves, a 6-7 forward, averaged 9.3 points and 4.2 rebounds while shooting 55.2% from the field as a sophomore this past season.
Chargois, a 6-9 forward, started 86 of his 108 career games at SMU and averaged 9.5 points, 4.9 rebounds and 1.7 assists with the Mustangs.
Goldwire, a 6-2 point guard, joins the Sooners as a graduate transfer with one season of eligibility remaining after playing in 116 games at Duke. He averaged 5.8 points, 4.0 assists, 2.1 rebounds and 2.2 steals last season.
The quartet joins returning senior guards Umoja Gibson and Elijah Harkless, junior forward Jalen Hill and redshirt sophomore center Rick Issanza. Oklahoma's freshman signees are guards Bijan Cortes, Alston Mason and CJ Noland.
The Associated Press contributed to this report.