Actor Rob Lowe tweets Peyton will retire (AP)

[ASFN Admin]

Rob Lowe is taking on another role -- pigskin prognosticator. The actor lit up social media Wednesday when he tweeted that Peyton Manning was done. Lowe said he'd heard from "my people" that the Indianapolis Colts quarterback would retire later in the day. No official word yet from Manning, the 35-year-old star who missed this season with a neck injury.

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