That's why the Ravens were wise to add Kubiak, who has a proven track record of getting excellent production from the quarterback position. Think of Matt Schaub, whom Kubiak turned into a two-time Pro Bowler with a quarterback-friendly system in Houston that featured a number of high-percentage throws and selective deep shots to keep the defense on its heels. Kubiak also used a carefully crafted play-action passing game to create bigger windows on intermediate and deep attempts. If the quarterback in his system is patient and willing to work through his progressions quickly to find the open receiver, he should complete 60 to 65 percent of his throws and finish with a passer rating around the mid-90s. (Schaub had a completion percentage of 60 percent or better in all seven of his seasons with the Texans, and a rating of 90-plus in five.)