World number one tennis player Iga Swiatek admitted Saturday she was so starstruck by Taylor Swift that a concert by the pop music queen has been giving her sleepless nights. Swiatek was amongst the thousands of fans packed inside Liverpool’s Anfield football ground last weekend for the singer’s latest stop on her ground-breaking Eras Tour. “It was amazing. I actually was thinking about going here for the second time,” said Swiatek. READ: Iga Swiatek reinforces top spot in WTA rankings “My team was like, ‘Okay…’ Basically after this concert, like three days after I was so excited I couldn’t sleep […]...Keep on reading: Wimbledon star Swiatek's a 'Swiftie' and she can't shake it off