Erriyon Knighton 19.49!, Penn, Drake, Farah & Hasay Struggle

**Erriyon Knighton** ran 19.49 at age 18, **Trayvon Bromell** blasted Andre De Grasse at 100m, and **Athing Mu** crushed Ajee' Wilson at 600, as it was Penn and Drake Relays week with the 4 x 1 mile record at Penn fizzling out on leg #1. **Ben Flanagan** is our guest at 80:30 to talk about wha

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