By Frankie Taddeo The Chiefs are double-digit home favorites in Week 9 against the AFC South-leading Titans. A pair of 5-2 clubs square off in Week 9 when Patrick Mahomes and the Chiefs welcome Derrick Henry and the Titans to GEHA Field at Arrowhead Stadium for Sunday Night Football. After beginning the season with back-to-back losses to the Giants and Bills, Tennessee has ripped off five consecutive straight-up (SU) and against the spread (ATS) wins. The Titans are 2-1 SU and ATS as underdogs this season and find themselves as double-digit underdogs for the second time this season. Tennessee …