ROBERT SUTTON, the Golf Channel's Exec VP and CEO, has resigned and will serve as an advisor until a replacement is named.....Turner Sports Producer HAMMOND REYNOLDS has moved to Senior Coordinating Producer at Prime Network.... SportsChannel, New England Group VP and GM MITCHELL FREUND has resigned to pursue other interests (ELECTRONIC MEDIA, 10/10 issue).... TERRY ST. MARIE was named Operations Manager for Bresnan Communications. He had been Senior VP of Washington Redskins/JKC Stadium Inc. (MULTICHANNEL NEWS, 10/10 issue). ....Liberty Sports announced that JOE KING has been promoted to COO. King had been GM of Home Sports Entertainment since '88. JOHN HEIDTKE was then named GM of HSE. He had been Assistant GM since January '91 (THE DAILY)....MSG's interim President Dave Checketts is the focus of CRAIN'S NEW YORK BUSINESS New Executive Profile. "Checkett's assigment: Take over the Madison Square Garden sports empire when it's at the top -- and make it better" (CRAIN'S NEW YORK, 10/16).... Warner Brothers new WB Televison Network has hired JED PETRICK as its first head of media sales. Petrick was VP of sales for The Baseball Network in New York for the last year (AD AGE, 10/10 issue).