Davis utilized a full court press defense and rapid continuous substitution. In 1986-1987, the Hawkeyes won their first 18 games and obtained the No. 1 ranking in the AP and UPI polls for the first time in school history. Iowa, with future NBA players Brad Lohaus, B.J. Armstrong, Ed Horton, Kevin Gamble, Bill Jones and Roy Marble, along with Jeff Moe won a school-record 30 games. Iowa finished 14-4 in the Big Ten and advanced to the Elite Eight of the NCAA Tournament.