NEW YORK, Jan. 15, 2014 /PRNewswire/ -- Fila announced today that it has signed an endorsement agreement with top-ranked American tennis player Sam Querrey. The multi-year agreement with Querrey continues the legacy of Fila's sponsorship of elite tennis champions. Querrey joins an impressive roster of ATP World Tour players who have worn the Fila brand on-court since the 1970s.