SAN FRANCISCO (AP) — The Sweet 16 matchup between Duke and Texas Tech features a stark contrast in coaching paths. The Blue Devils' Mike Krzyzewski is the most accomplished coach of his era and is seeking to end his Hall of Fame career with his sixth national title. The Red Raiders' Mark Adams got to this stage in his first season as a major college head coach after several stops at lower-level schools. But Adams has a chance to send Krzyzewski into retirement. Top-seeded Gonzaga faces fourth-seeded Arkansas in the other West Region semifinal.

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