San Francisco 49ers Jacob Cowing (26) is upended by the Los Angeles Chargers at So Fi Stadium in Los Angeles (AP News photo)

San Francisco 49ers podcast with David Zizmor:

#1 How impressive was Jacob Cowing’s 83-yard punt-return touchdown, and did that big play strengthen his case for making the 49ers’ roster?

32 What did Sincere McCormick’s 37-yard run and 7-yard touchdown show about the 49ers’ running-game depth heading into the regular season?

#3 How encouraging was Adrian Martinez’s performance, including his 9-yard rushing touchdown and 17-yard touchdown pass to Jordan Watkins, as the 49ers evaluate their quarterback and receiver depth?

San Francisco 49ers podcasts are heard after every home and away game with David Zizmor at http://www.sportsradioservice.com