By Joel Beall   On Tuesday it was announced that Rory McIlroy and Rickie Fowler would be facing off in a primetime, under-the-lights exhibition, with the proviso that the top-5 players would be joined by celebrity partners for the made-for-TV event at Detroit Golf Club.  According to Detroit’s ABC affiliate, the stars in question are entertainers Justin Timberlake and Mark Wahlberg, although neither has confirmed their involvement. Timberlake and Wahlberg participated in last week’s AT&T Pebble