Indiana 7-footer Cody Zeller and a pair of point guards were among the latest standout underclassmen to enter the NBADraft.Joining Zeller were Syracuse’s Michael Carter-Williams and Missouri’s Phil Pressey.Zeller, a sophomore who led the Hoosiers in scoring (16.5 points) and rebounding (8.1), was a second-team All-American and is projected to be a top-10 pick in the June draft.He is the second Hoosiers star to leave school early. On Tuesday, junior swingman Victor Oladipo announced he, too, was entering the NBA draft. He also is projected to be a lottery pick.The 6-6 Carter-Williams started all 40 games for the Orange this season. He finished fifth nationally in assist average (7.3) and fourth in steals (2.78) among Division I players, and also averaged 11.9 points and a team-best 35.2 minutes.Pressey, a 5-11 guard whose father, Paul, played in the NBA, averaged 11.9 points, 7.1 assists and 1.8 steals in leading the Tigers to a an appearance in the NCAA tournament. He was all-Southeastern Conference and is Missouri’s career leader in assists with 580. He tied Anthony Peeler for the school’s career steals lead with 196.Iowa State probeIowa State released fresh details of its internal investigation into NCAA recruiting violations, saying it found “a significant number” of impermissible calls and text messages made by coaches in football, men’s basketball and several other sports.The report said Iowa State’s two-year investigation started with the discovery of improper contacts with recruits by Keith Moore, a former Cyclones player who was working in his first year as an undergraduate student coach under Fred Hoiberg.Briefly • TV: Fox Sports Southwest will televise Oklahoma’s spring football game at 2 p.m. Saturday. Pregame starts at noon. Texas Tech’s game will air at 1 p.m. April 20. • Kansas State basketball: Coach Bruce Weber was rewarded for winning a share of the school’s first conference championship in 36 years with a raise and a one-year contract extension. Weber’s salary will increase by $250,000 to $1.75 million next season.