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Charlie Riedel, Associated Press
Kansas guard Elijah Johnson (15) is fouled by Oklahoma guard Cameron Clark (21) during the first half of an NCAA college basketball game Wednesday, Feb. 1, 2012, in Lawrence, Kan.

LAWRENCE, Kan. — Thomas Robinson had 20 points and 17 rebounds in another performance sure to burnish his player of the year credentials, leading No. 8 Kansas to an 84-62 blowout of Oklahoma on Wednesday night.

The junior forward had four assists and a couple of blocks for the Jayhawks (18-4, 8-1 Big 12), who responded to their first conference loss last Saturday at Iowa State by outscoring the Sooners 50-31 over the course of the second half.

Tyshawn Taylor had 21 points, Jeff Withey added 15 and Travis Releford had 12 as Kansas tuned up for a high-profile showdown at No. 4 Missouri on Saturday.

Romero Osby scored 19 points, Steven Pledger had 17 and Andrew Fitzgerald finished with 14 for the Sooners (13-8, 3-6), who were within 34-31 at halftime before Kansas hit its stride.