The lost three quarterbacks Zhaire Smith Jersey in free agency, but they've already added two new ones to their roster.On Wednesday, a day after the Vikings agreed to sign to a three-year fully-guaranteed deal, the Vikings engineered a trade for quarterback , according to NFL Network's Ian Rapoport. It's not yet known what the exact terms of the trade are, But ESPN's Adam Schefter reported that the .Minnesota of all teams understands just how valuable a backup quarterback can be. This past season, the Vikings entered the season with as their starter, but In stepped Keenum, who wound up leading the Vikings all the way to the NFC Championship Game. Charles Barkley Jersey Without Keenum, the Vikings would've been sunk. Instead, they nearly became the first team in NFL history to host a Super Bowl in their own stadium.Keenum, along with Bradford and , all hit free agency this week. The entire trio left Minnesota,, where he'll replace Siemian as the Broncos' starting quarterback. With Siemian out of the picture, look for 2016 first-round pick to compete with for the Broncos' backup job. The Broncos also might add another quarterback through the draft considering they hold the fifth Justin Anderson Jersey -overall pick. Meanwhile, the Vikings chose to pursue Cousins instead of retaining Keenum. , but they still needed a backup quarterback. That role now belongs to Siemian, who brings starting experience to Minnesota. Siemian's started 24 games in his three-year career, posting a 13-11 record. In his career, he's completed 59.3 percent of his pa ses, averaged 6.8 yards per attempt, thrown 30 touchdowns and 24 interceptions, and accumulated a 79.9 pa ser rating. Those Hal Greer Jersey aren't starting-caliber numbers by the NFL's standards, but the Vikings don't want him to start unle s something bad happens to Cousins, in which case they'll need him to keep them afloat.So, as of Wednesday night, the Vikings' quarterback depth chart looks like this:Kirk CousinsTrevor Siemian While the Broncos' quarterback depth chart looks like this: Paxton LynchChad KellyTeams still searching for backup quarterbacks are now left to pick from a group that includes , , , , and Dolph Schayes Jersey . Earlier on Wednesday, . Shortly after news of the Siemian trade broke,