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<blockquote data-quote="GTNavyNuke" data-source="post: 862879" data-attributes="member: 322"><p>I put this over in 2022 Season posts but it is sort of pitching. I think pitching is greatly helped by a good defense behind the pitcher. But I couldn't show that really. So maybe just another unfounded bias I have.</p><p></p><p>I've been trying to figure out how important defense is relative to pitching. We all have anecdotes about defense losing games but how many games are influenced by defense. But is there some numerical OQE that can be developed?</p><p></p><p>My attempt was to look at last years NCAA D1 baseball data for all teams. I calculated the unearned runs per game (=total runs less earned runs) and then compared it to ERA. What I see is that the average team gives up on the order of 85% of their runs as earned and 15% as unearned. So defense is important, but maybe 1/5th of what pitching is. And offense is the other ingredient for winning games, but that is a separate discussion.</p><p></p><p>For all 286 D1 teams last year:</p><p><img src="https://gtswarm.com/attachments/1643404192664-png.12036/" alt="1643404192664.png" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>And more importantly for the ACC where we play most of our games. I put in the labels for the outliers and in the chart sorted by total runs per game.</p><p><img src="https://gtswarm.com/attachments/1643404154786-png.12035/" alt="1643404154786.png" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><h4>Attachments</h4></blockquote><p></p>
[QUOTE="GTNavyNuke, post: 862879, member: 322"] I put this over in 2022 Season posts but it is sort of pitching. I think pitching is greatly helped by a good defense behind the pitcher. But I couldn't show that really. So maybe just another unfounded bias I have. I've been trying to figure out how important defense is relative to pitching. We all have anecdotes about defense losing games but how many games are influenced by defense. But is there some numerical OQE that can be developed? My attempt was to look at last years NCAA D1 baseball data for all teams. I calculated the unearned runs per game (=total runs less earned runs) and then compared it to ERA. What I see is that the average team gives up on the order of 85% of their runs as earned and 15% as unearned. So defense is important, but maybe 1/5th of what pitching is. And offense is the other ingredient for winning games, but that is a separate discussion. For all 286 D1 teams last year: [IMG alt="1643404192664.png"]https://gtswarm.com/attachments/1643404192664-png.12036/[/IMG] And more importantly for the ACC where we play most of our games. I put in the labels for the outliers and in the chart sorted by total runs per game. [IMG alt="1643404154786.png"]https://gtswarm.com/attachments/1643404154786-png.12035/[/IMG] [HEADING=3]Attachments[/HEADING] [/QUOTE]
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