Craig Robinson failed to reach the NCAA Tournament in six seasons with the Beavers. (USATSI)

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Oregon State fired men's basketball coach Craig Robinson on Sunday night, a source confirmed to CBSSports.com on Monday.

The development, first reported by SI.com, comes six weeks after OSU's final game.

That makes the timing of this decision highly unusual and curious.

Robinson, best known for being the brother-in-law of President Barack Obama, spent six seasons at Oregon State, where he went 93-104 without making an NCAA Tournament. He had three years left on his contract. OSU still reportedly owes him more than $4 million.

Evidence that the decision is a surprise is rooted in the facts that Robinson and his staff were out recruiting as they normally would as recently as last week, and that Maryland transfer Nick Faust committed to the Beavers just five days ago. On the other hand, since the end of the season, Eric Moreland has turned pro, Hallice Cooke announced his intentions to transfer, and Challe Barton made the decision to explore professional opportunities overseas, all of which left Oregon State with zero returning starters for next season.