Tristan Thompson Only Lightly Booed at Cavs Game in Wake of Cheating on Khloe Scandal

[[tmz:video id="0_7awzy65v"]] Tristan Thompson avoided major backlash from fans for cheating on Khloe Kardashian by checking into tonight's Cavs game under the radar ... but he got a fair share of boos later. The power forward checked in off the…