Whoa, stop the clock!

We are already 15 weeks through the 2017 NFL season, and the playoffs are right around the corner. The time really flew by, but at least we got another week of action-packed football in Week 15.

It kicked off with Brock Osweiler coming on in relief of the injured Trevor Siemian to lead the Denver Broncos to victory on Thursday night. And then it continued with a few predictable outcomes, such as the Cleveland Browns losing once again, and also a few surprises, like the Los Angeles Rams dropping 42 points on the Seahawks in Seattle.

Before we move on to Week 16, here are five stats to know -- some of which are traditional, some of which are our advanced statistics, like Net Expected Points (NEP) -- through the first 15 weeks of the NFL's regular season.