Buuxi weedha soo socota: Kovalchuk wuxuu ku soo barbaaray nidaamka dhalinyarada ee Spartak Moscow, isagoo ku biiray kooxdooda sare ee Vysshaya Liga sanadkii 1999. Kadib labo xilli ciyaareed oo uu la qaatay Spartak, wuxuu ku biiray Atlanta Thrashers ee NHL, kaas oo isaga doortay kaalinta koowaad ee guud ee
Sanadkii 2001 kii ayaa la soo doortay. Kadib siddeed xilli ciyaareed oo uu la qaatay Thrashers, waxaa loo beddelay New Jersey Devils sanadkii 2010, oo uu la saxiixay qandaraas 15-sano ah, $ 100 milyan, ka dib markii 17-sano, $ 102 milyan heshiis ay diideen NHL. Sanadkii 2013, wuxuu ka tagay NHL si uu ugu laabto Ruushka, isagoo ku biiray SKA Saint Petersburg, halkaas oo uu ka ciyaaray shan xilli ciyaareed ka hor inta uusan ku soo laaban NHL 2018.