Expectations for Sam Bradford in opener

Sam Bradford makes his NFL preseason debut Saturday night against the Minnesota Vikings in the Edward Jones Dome.

What should we expect?

The chart shows first-game preseason stats for quarterbacks drafted first overall since 2000. They combined for a 65.1 passer rating (JaMarcus Russell was not signed in time to participate).

In 1998, Peyton Manning completed a 49-yard touchdown pass to Marvin Harrison on his first preseason attempt.

QB openers: Top picks in preseason debuts