Did Veigar make a deal with Kench?

Now it used to state that Veigar and Tahm Kench were friends on their champion page. In addition, Tahm Kench has all Yordles listed as Rival EXCEPT Veigar If Veigar did, then that's quite sad when you think about it. He was so utterly broken in his captivity that he sought the power to obliterate all at any cost. I wonder how the eventual confrontation between the two will play out?