I applied mark tighter OIs against all attacking flank players and strikers that we're the same pace or slower than mine and the tactic works even better. What I love about this tactic is that I rarely concede from throw ins. Unless your playing as an elite team and using Knaps original tactics, about 75% of the goals you'll concede are from AI short throws - I think it's because the mark tighter PIs and TIs screw weaker teams from throw ins when the AI utilises the cross early TI. Anyway, I tried removing mark tighter PIs and Tis from Knaps Fire and Water (100pts) and only applied to strikers and attacking flanks players if they're slower than mine and the same result. Essentially, if you're not keen on Defensive Wingers and aren't playing as a top or subtop team, try using one of Knaps original tactics but remove all mark tighter instructions and apply on an OI level accordingly. Hopefully you'll greatly reduce goals conceded