>> reporter: and this is only the beginning. nato has warned that if the conflict continues, as many as five million ukrainians could be forced to flee. christina ruffini, poland. >> diaz: the backlash against russia's war has spread through the worlds of business, the arts, and sports. we get more now there cbs' michael george. >> reporter: ukrainian-born soccer player oleksandr zinchenko was brought to tears today as his manchester city teammates, their opponents and fans showed support by playing ukraine's national anthem. russian tennis player andrey rublev made a bold statement after a win in dubai friday writing, "no war, please," on a camera lens. >> ovechkin-- score! >> reporter: but a different tone from washington capitals star alex ovechkin, one of the highest profile russians in sports and a close putin ally,