Yes, Hamm and January Jones on-screen marriage may have been swallowed by a tidal wave of booze and infidelity, but in real life, Hamm is newly sober - and newly single - and several insiders say the co-workers are making a go at a real-life relationship.Hamm broke up with Jennifer Westfeldt - his girlfriend of 18 years - last summer, and he reportedly reached out to his longtime friend January - who was also fresh from a long-term relationship - for support.

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“They always flirted with each other on set, but never went there because Jon was with Jennifer.” The source adds that after the Globes, Jon and January headed back to her house - which has become a home-away-from-home for Hamm in recent weeks.

“They’ve been spending time together at January’s home in LA,” the insider continued.

After eight years and eight nominations, newly single Jon Hamm finally won the Emmy Award for Best Lead Actor in a Drama Series for his now-iconic portrayal of Don Draper in .

He also took his big moment at the 67th Primetime Emmy Awards to graciously thank his ex-girlfriend Jennifer Westfeldt, from whom he recently split after 18 years together. "It's impossible to have done this show without this incredible cast, these incredible people, this incredible crew..." Hamm said, adding that it was "incredibly impossible" not to include those who've made a personal impact on his everyday life.

PHOTOS: Emmys 2015 red carpet -- what all the stars wore! PHOTOS: Emmys 2015: Men in tuxes "I want to thank the people to whom I owe this incredible debt," Hamm noted.

"Families — who have chosen for some reason to take me in and be nice to me along this strange, strange road." The actor then rattled off a list of names in his speech, and in the final moments gave an affectionate shout-out to "Cora and Jen." PHOTOS: Movies that have made these celeb hunks cry "Jen," as his fans know, was Hamm's girlfriend and partner-in-crime for nearly two decades. "Thank you all very much," Hamm concluded on Sunday with the Emmy gripped in his hand."I would not be standing here without you." PHOTOS: Best unseen moments at the 2015 Emmys Hamm and Westfeldt announced that they were splitting earlier this month in a joint statement."With great sadness, we have decided to separate, after 18 years of love and shared history," Hamm and Westfeldt told Us Weekly in their statement."We will continue to be supportive of each other in every way possible moving forward." PHOTOS: Celebrity flubs -- biggest mistakes on live TV A source exclusively told Us at the time that the nontraditional pair "definitely tried" to work out their differences.Hamm adds that the couple is dedicated to one another, even if they aren't married."Having a piece of paper serves to remind you of your commitment, but we do a pretty good job of reminding each other," he told the magazine.