Ring Magazine featherweight champion Manny Pacquiao left for Davao City early yesterday to buckle down to serious training for his December 11 tune-up fight with Thailand's Fahsang 3K Battery in a fight card titled Yanig sa Taguig to be staged at an open air arena in The Fort with Smart, Talk N Text and Solar Sports as the financial backers with Taguig Mayor Freddie Tinga as host. [details (http://www.boxingscene.com/?m=show&id=229)]