Griffin, a 6-foot-10-inch center, is the first Oklahoma Sooner to win the award, which is named for Hall of Fame basketball player Oscar Robertson. Griffin will formally receive the award at a USBWA awards breakfast Friday at the Detroit Athletic Club.
Griffin led the nation in rebounding (14.4 a game) and the Big 12 Conference in scoring (22.7 points a game) in helping the Sooners to a 30-6 record. Oklahoma's season came to an end Sunday with a 72-60 loss to North Carolina in the NCAA South Region final. Griffin scored 23 points and had 16 rebounds in the game.
Griffin set an Oklahoma record with 25 double-doubles during the regular season and set a conference record with 13 games of at least 20 points and 15 rebounds.
Griffin came out on top in voting from a slate of 15 finalists selected by the USBWA.
The USBWA earlier announced that Kansas's Bill Self would be given its Henry Iba Coach of the Year Award.
Celebrity Breakups and divorces of 2014 [PHOTOS]