SPA, Belgium (AP) — Valtteri Bottas of Finland posted the fastest time in the third and final practice session of the Belgian Grand Prix ahead of qualifying later Saturday. On a Spa track still damp from overnight rain, the Williams driver clocked a best lap of 1 minute 49.465 seconds; with Red Bull's Daniel Ricciardo .268 seconds behind and Formula One championship leader Nico Rosberg of Mercedes .274 back.