Justin Herbert is playing at 'another level' 💪

Chris Simms and Devin McCourty praise Justin Herbert's development in Year 2 under Jim Harbaugh with the Los Angeles Chargers. #NBCSports #NFL #SundayNightFootball » Watch SNF on Peacock: https://peacocktv.smart.link/v82e9dl56 » Subscribe to NFL on NBC: https://www.youtube.com/NFLonNBC?sub_confirmation=1 » Get more NFL news on NBC Sports: https://www.nbcsports.com/nfl NBC Sports Group serves sports fans 24/7 with pre...