Here are five thoughts from Thursday night of Week 8.Sachse is rollingAfter Sachse started the season 0-3, questions loomed about the reigning District 10-6A champion’s status.With its latest win a 42-9 triumph over North Garland, Sachse has quieted doubts by remaining undefeated (4-0) in district play.Quarterback Derrick Rose completed 76.9 percent of his passes for 214 yards and three touchdowns, running back Myles Nash 16 carries for 93 yards and a score and Sache’s defense nabbed two interceptions to power the team’s fourth straight win and position it well to contend for a top playoff seed and a district title.Sachse faces Garland Lakeview Centennial and South Garland in the next two weeks before a major showdown -- undefeated Rowlett -- in Week 11.Prosper gains valuable ground in District 9-6AThe game -- a 42-37 Prosper win over McKinney Boyd -- featured 950 total yards of offense, 109 offensive snaps and 79 total points.In the end, the stats added up to a boost for Prosper a close fight for 9-6A playoff spots behind state No.