Who is the better coach, John Harbaugh of the Baltimore Ravens or his younger brother Jim Harbaugh of the San Francisco 49ers?
Joe Flacco or the 49ers with dual-threat youngster Colin Kaepernick?
Can the aging Ravens defense, with soon-to-be retiring middle linebacker Ray Lewis and long-in-the-tooth safety Ed Reed anchoring the squad, slow down the 49ers offense? Or will it be the younger San Francisco defense led by linebacker Patrick Willis and the Smith Brothers bottling up Baltimore's Flacco and dangerous running back Ray Rice?
SUPER BOWL 2013 FULL COVERAGE
These questions and more will be covered in the NFL Slam with Mark and Sam at 2 p.m. Sunday in advance of Super Bowl XLVII.
Log in just before 2 o'clock to catch the chat with host Mark Thompson and Times columnist Sam Farmer.
If you have a question, email it to firstname.lastname@example.org, and moderator John Cherwa will try to get it answered for you.
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