Roberts Week 13 NFL Selections: Chargers Have a Beat Down in Store for the Raiders

Here are my week 13 NFL bets:
Vikings -5 ½ vs. Bills
Bears -4 @ Detroit
Falcons -3 (+105) @ Tampa Bay
Chargers -12 ½ vs. Raiders
Seahawks -6 vs. Panthers
Colts -5 ½ vs. Cowboys
Cardinals +3 ½ vs. Rams
Steelers +3 @ Baltimore
Jets + 3 ½ @ New England