On episode 37 of the Necessary Roughness podcast with former NFL O-linemen TJ Lang and Jon Jansen: 

- How big guys like Jon and TJ survive the heat

- John Penisini retires – how much does that impact the Lions D-line?

- The Lions sign former Michigan star Devin Funchess. What can he bring?

- Where the Lions O-line ranks in the NFL

- What are realistic expectations for the O-line this season?

- Should the Lions have a player on the NFL’s top-100 list?

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