Kirk Herbstreit, Eminem, Brent Musberger

Eminem was an unlikely guest on ESPN during halftime of the Notre Dame-Michigan college football game this weekend, and his interview with Brent Musburger and Kirk Herbstreit left many viewers wondering if the rapper is back on drugs.

Appearing on the show to promote his new video for "Berzerk," Eminem initially appeared to be in a daze, but snapped back to coherency to discuss music video shoots with Musburger and Herbstreit.

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Musburger went on to get Eminem's opinion on point spreads.

Watch part of the interview below. Do you think Eminem's demeanor was genuine or a publicity stunt?