A look at the second-round series in the NHL playoffs:
No. 1 PITTSBURGH PENGUINS (36-12-0) vs. No. 7 OTTAWA SENATORS (25-17-6)
2013 series record: Pittsburgh 3-0 (one win in shootout).
Playoff History: Pittsburgh 2-1. Last meeting: Pittsburgh 4-2 in 2010 Eastern Conference quarterfinals.
How they got here: Pittsburgh defeated No. 8 New York Islanders 4-2. Ottawa defeated No....