As RadarOnline.com previously reported, Ashton and Mila are just back from a romantic vacation to Bali.
But the Two and a Half Men star was solo when he spent several hours at the Cowboys training facility an hour from L.A. in Oxnard, CA where he was spotted chatting up QB Tony Romo.
There's nothing in Kutcher's known list of projects in development that points to this being a research visit.
We know he's a gymnastics fan though. He tweeted congrats to Olympic gold medalist Gabby Douglas on her dramatic gold medal win last week.
Demi Moore ‘Heartbroken’ Over Ashton Kutcher Mila Kunis Romance
Ashton Kutcher And Mila Kunis Caught Kissing