"Maya has not long been single, so she and Ben are taking time to get to know each other and see if there’s a real spark," a source said.
"But Kendall coming back on the scene could derail any blossoming romance.
"Ben's interest in Maya may have left Kendall questioning whether she can bear to see him with anyone else."
Maya and Ben are said to have hung out while she was in Los Angeles at the People's Choice Awards a few weeks ago. She also attended one of his games with her friends.
In May, E! confirmed that Kendall and Ben has split after a one year romance.
"Ben and Kendall split recently before the Met Gala. They are still on fine terms and have been in touch," the insider said, adding that the distance between the Los Angeles based fashion model and the Philadelphia 76ers star "was getting to be a lot."
Who will end up with the Aussie millionaire sportsman? Only time will tell.