Thompson, who played 30 minutes total, was not in the starting line-up but he came off the bench late in the first quarter and received audible disapproval from the crowd. The Cavs won their last game of the season 110 – 98 over the Knicks and are headed into the first round of the Eastern Conference against the Indiana Pacers.
Kardashian, 33, has been in Cleveland for the past few weeks of her third trimester as she has been nesting and preparing to welcome her first child. (Thompson is already father to 15-month-old son Prince from a previous relationship.
A source previously told PEOPLE that Thompson is “a serial cheater” and that the cheating scandal “has been a long time coming.”
A representative for Thompson has not responded to PEOPLE’s requests for comment.