Rob Lowe says he got his Manning info from “pretty-darn good source”

Actor Rob Lowe turned the football-following world upside down on Wednesday with a series of tweets regarding a rumor that Colts quarterback Peyton Manning will retire today. Ludicrous on the surface, the fact that Lowe has a friendship with Colts owner Jim Irsay gave the situation a bit more credibility. Manning’s father and agent have…