Ons Jabeur: I always put 'good' pressure on myself

Ons Jabeur says she always puts herself under pressure, as the world No. 5 prepared for her opening round match at the Miami Open. The 28-year-old has struggled with a knee injury since the Australian Open in January and only returned to competitive action at the prestigious Indian Wells event. Jabeur said she is "90 percent" fit and her recovery will be tested further at the Miami Open