Arkansas upset second-seeded St John’s to reach Sweet 16 in March Madness stunner

• No 10 Arkansas beat No 2 St John's 75-66 in second round
• Purdue end McNeese's run 76-62 to get back to Sweet 16
• Cheat sheet: highlights and how to win your bracket

John Calipari is heading to the Sweet 16 for the 16th time, and this one could be the sweetest of all.

Calipari's Arkansas Razorbacks beat longtime nemesis Rick Pitino and No 2 seed St John's 75-66 on Saturday, sending their itinerant coach to the second weekend of the NCAA Tournament with his fourth school.