I agree it should be there, but as a work-around until they implement it, try this:
Start recording the sporting event (or show) and go get yourself a coffee or a snack. Let it spool up for just a few minutes. Now start watching your recording. Yes, you'll be a couple of minutes behind the "Live" action, but doing this may give you the pause function you're after.
right, which means literally every time I change the channel I need to hit record then go back and play it from my recorded shows - of which there are 50 total - just in case I find the need to pause or rewind the show I'm watching. That's really not a practical workaround.