By Daniel Bates The Jacksonville Jaguars gave Christian Kirk the bag on Monday. The Jags have been busy in the opening hours of free agency and wasted no time tossing a massive contract to the Cardinals wide receiver. Per Adam Schefter, Kirk’s deal runs four years, $84 million; with an annual salary of up to $21 million. The 25-year-old now leaps to being the third highest-paid WR in the NFL. The football world was pretty blown away by the agreement. “$21 [million] per year for a WR that had only 4 games of 100 yards in 4 years as a starter?” asked Dov Kleiman. “What kind of crack is Jacksonvi…