OK make that he was selected/signed as an UDFA on Pioli's watch... Point is Gutz was a Pioli/BB guy, Stanbeck was a BB via BP after Pioli left guy (whom Dallas drafted to develop as a WR/KR and then cut after 2 seasons but whom we signed to the PS to serve as scout team QB...). We only tapped his potential versatility under duress, and it didn't amount to much.
GM's tend to gravitate towards the thing THEY know whenever they can. Which is why Gutz landed in KC once we cut him. Which is why Cassel landed in KC as a tag and trade (and the only other place he nearly landed was Denver). Pioli doesn't know Stanbeck, but he now knows he was of very limited value to NE as a QB or WR. Maybe even that limited value is worth more in KC, Gutz obviously was, but it's a longshot unless they see him as an upgrade on Gutierrez via his limited positional versatility as a WR.
I wouldn't be shocked if Charlie wanted to kick his tires if only to take a shot at making something out of a guy both Bill's swung and missed on...Charlie does have an ego, after all. But what they really needed to do in KC was sign a guy like Patten to mentor their young receivers in the system - and teach them about becoming pros pros a QB and OC can count on who are capable of competing for a championship (which was a big part of his job in New Orleans...).