William Byron was in a drought following the Daytona 500 before breaking through Sunday at Iowa. Did the win propel him to No. 1 in the rankings?

Byron's win is his first since the Daytona 500, and it also gives him the regular season points lead with three races to go

What type of race is run can have as big an impact on the winner as anything else in NASCAR. So you might have been surprised to hear that William Byron won a fuel saving race at Iowa on Sunday.