LAWRENCE, Kan. (AP) — Josh Jackson declared for the NBA draft on Monday after one of the best freshman seasons in Kansas history, one marked by plenty of highlights on the floor and a few distractions off it.

The 6-foot-8 swingman, who is considered a certain lottery pick, was the Big 12 newcomer of the year after averaging 16.3 points and 7.4 rebounds. He helped the Jayhawks to a 31-5 record and a 13th straight regular-season Big 12 title before a loss to Oregon in the Elite Eight of the NCAA Tournament.

Jackson signed with former NBA player B.J. Armstrong of Wasserman Media Group.

"After tho...