The biggest play of the Minnesota Vikings first preseason game was a 61-yard touchdown that brought undrafted rookie Zach Line immediate attention in his longshot attempt at a roster spot.
Line broke the initial tackle on a short outlet pass from quarterback Matt Cassel. Yet, one of the most important aspects of the play for Minnesota's coaches was how Line was led down the sideline. There was third-year receiver Stephen Burton -- fighting for his own roster spot -- blocking a Houston defensive back for 20 yards and essentially eliminating two defenders on the play as Line cut back in for the touchdown.
Plays like Burton's block help decide roster spots when NFL teams cut down to 75 and then 53 players from the 90-man training camp roster and no team asks more from their receivers from a blocking aspect than the run-dominated Vikings.
"I like blocking," Burton said this week. "It's part of the game. You can't shy away from it. If they need you to bl...