156. 49ers: Coach Rob Mendez: 'Who says I can't?'

49ers: Rob Mendez, the head JV coach at Prospect High in Saratoga, Calif., who was born without arms or legs, gives a coach's perspective on watching Kyle Shanahan's team through the first half of the season. The 49ers are the NFL's only unbeaten team entering Week 10 and a matchup against the Seattle Seahawks.