INDIANAPOLIS (AP) — Philip Rivers is a fiery competitor on game day — and on the practice field. Anyone who's heard ever Rivers' brash (if profanity-free) trash-talking understands how feisty the 38-year-old quarterback can be and understands it's a big reason he's still playing in the NFL. So after spending the past 16 1/2 seasons reading and dissecting defenses, the Indianapolis Colts' starting quarterback has learned a few things and is passing on that knowledge to his daily opponent. “It matters how you affect and put mental and physical pressure on a player," Colts defensive coordinator Matt Eberflus said.Read more on NewsOK.com