Denver Broncos wide receiver Eric Decker is engaged to be married to country music singer Jessie James.The 25-year-old was Tim Tebow's favorite target during the 2011 season, catching a team-high 44 passes and eight touchdowns. He suffered a knee injury in Denver's overtime playoff win over the Pittsburgh Steelers and missed the team's divisional palyoff game. James, 23, released her self-titled debut in 2009. It peaked at No. 23 on the Billboard charts. Last year, she performed the national anthem before one of Decker's games. The Broncos went on to defeat the New York Jets that night, kicking Tebowmania into high gear and helping propel the team to the AFC West title. The couple met through a mutual friend and began their relationship on the phone. James announced the engagement on Sunday via Twitter. In case anyone was wondering whether it was an April Fool's gag, she tweeted multiple pictures that showed her wearing an engagement ring. James and Dec...