It may be Super Bowl weekend, but in Hollywood, another playoff-style contest is commanding attention — one Oscar pundits and awards analysts will be watching closely. The Directors Guild of America will hold its 78th annual DGA Awards on Saturday, hosted by Oscar and Emmy-nominated comedian Kumail Nanjiani. When DGA nominations were announced on Jan. 8, the Oscar races for best picture and best director appeared all but nailed. But since then, the contest has tightened into somewhat of a nail-