How Roger Federer pulled On into tennis and why the brand is repeating play with Kylian Mbappe

New Delhi, Sept. 23 -- Kylian Mbappe left Nike this month for Swiss sportswear company On on a deal that mixes cash with equity. Football treated it as a shock kit switch. The closer read is a business sequel. In 2019, Roger Federer did not simply endorse On. He bought in, helped design a tennis li…