Jagdaddy
Head Coach
I did a quick comparison using just Ohio State's defense since 2015 to see if doing so could provide any insights into what the scUM data is...
Since 2015 Ohio State has played 13 opponents ranked in the top 10 and has a record of 10-3. Losses are MSU 2015, Clemson 2016, and OU 2017.
Against all teams in that time Ohio State has yielded 17.6 points per game. Against just top 10 teams, Ohio State gives up 24.2, a difference of about a touchdown (scUM's difference was 16 points). Against non top 10 teams, Ohio State has given up an average of 15.9 points per game. That is just 2 points less their every game average and is only a touchdown and field goal less than how Ohio State plays top ten competition (scUM's differential was 3 touchdowns)
Against all teams Ohio State has had the ball thrown on them as follows: 16.8 completions on 31.9 attempts (52.6%) for 192.9 yards per game. In that time (2015 through Northwestern) Ohio State has yielded 62 scores and picked off 67 passes. Against top ten teams, Ohio State has had the following production against: 20.5 of 35.6 (57.7%) for 247.1 yards. The Buckeyes have given up 18 scores through the air and grabbed 13 picks. Against non top 10 teams, Ohio State yields 178.2 yards of 15.7 of 30.8 (51.0%) with 44 scores against and 54 picks. Contrasting this with Michigan's numbers above, it would seem that their pass D is less affected by top ten teams, as the Buckeyes give up about 70 yards more per game against top 10 teams than they do against non top ten teams, whereas Michigan's differential was about 50 yards. It should be noted, however, that Ohio State is facing about 10 extra passes a game than their scUM counterparts in top 10 match-ups. I believe this is because Ohio State often leads, which encourages teams to throw the ball to catch up, whereas scUM is not playing so far ahead that teams are so forced.
Against the run since 2015 Ohio State has faced an average of 36.1 attempts for 125.6 yards. They have given up 58 TDs and recovered 43 fumbles. Against top 10 teams, Ohio State faces 38.8 attempts and yields 134.0 per game. In both instances, Ohio State yields 3.5 yards per carry, on average. (Michigan's YPC against for all games was 3.5 as well, but against top 10 teams jumps to 4.9 per carry). Against non top ten teams Ohio State faces 35.4 runs a game to the tune of 123.3 yards per. That is also a 3.5 yard average (scUM's per carry average v. non top ten teams was 3.1). All in all, Ohio State's rush D is what it is. The level of competition doesn't seem to make all that much of a difference. Ohio State, again, yields about 9 more yards per game to top ten teams than normal, and just 11 more to top ten teams than to non top ten. scUM, as above, was some 80 yards worse against top 10 teams.
Against all teams Ohio State yields 318.4 yards on 68 plays, or 4.7 yards per play across the 61 games considered. Against top ten competition, Ohio State has given up 381.1 yards on 74.4 plays, or 5.1 yards per play. Against non top ten, Ohio State yields 301.5 yards on 66.3 plays, which is 4.6 yards per play. Thus, Ohio State yields 60 more yards a game to top 10 teams than they do all teams, and 80 more yards than they do against non top 10 teams. Michigan's defense, by contrast, gives up about 110 more yards to top ten teams than they do to anyone, and 132 or so more than they do against non top ten teams.
By and large, Ohio State's defense is about the same, game to game, regardless of the level of competition. The Buckeyes ordinarily yield about a half yard more to top ten teams per attempt, while scum, again, gives up almost 2 yards more, per play when the competition steps up.
Ohio State's worst 4 games, in terms of yards per play:
2017 - Oklahoma 6.8 yards per play to the tune of 31 points.
2018 - Pedophile State 6.5 yards per play to the tune of 38 points - good enough for second place on the field that particular day
2016 - Wisconsin 6.1 yards per play to the tune of 23 points - also a loss
2015- Notre Dame 5.8 yards per play to the tune of 28 points - hey, look, another loss.
Thanks for doing all that work. What it suggests to me is what we all know but the people who get paid to analyze or comment on college football can't seem to figure out: That scUM's rosters, for the most part, are not composed of elite talent. So when they struggle against top competition, it's because they'e outclassed. When OSU struggles on D, it's more a matter of poor coaching or just a random blah day that can come against anyone, not necessarily just a good team.
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