WACO, Texas — Defending national champion Baylor, which lost by 24 points to Kansas back on Feb. 5 at Allen Fieldhouse, gained revenge by toppling the Jayhawks, 80-70, on Saturday night at Ferrell Center. Flo Thamba scored 18 points and grabbed nine rebounds and Jeremy Sochan added 17 points with five boards as Baylor, which trailed by 13 points with 5:48 left in the first half, attained a split in the regular-season series between the teams for the third straight season. Adam Flagler had 13 points and James Akinjo added 12 points for the No. 10-ranked Bears, who by winning prevented KU from s…