IRVING – With Spencer needing to have another knee operation – this time, one that will end his season – Selvie, a temporary starter, has become a permanent first-teamer on the left side. Selvie, a seventh-round pick by the St. Louis Rams in 2010, has had a strong start to the season, going from camp body to a player that has started all three games, the only starts of his NFL career. After a year in St. Louis, one with Carolina and two in Jacksonville, the former South Florida standout appears to be an ideal fit for Rod Marinelli’s defensive line group. “It’s a great scheme,” Selvie said. “You go out there and attack, get after it, strip balls, get sacks, just go out there and have fun, that’s what we do in this scheme. That’s what we love to do and that’s what our coaches encourage us to do every day.” “The Cowboys have given me an opportunity to rush the passer,” Selvie said, “and I’m grateful for that.” Follow Jon Machota on Twitter: @jonmachota More: http://cowboysblog.dallasnews.com/2...in-a-scheme-that-allows-him-to-sack-qbs.html/ Hope he continues to play well...Dallas needs him.