![]() AT&T is also devouring solid contact homers and cheap homers. The worst home run of 2018 was tracked at just 88 MPH. A player would convert 17 percent fewer barrels into home runs at AT&T than a league average stadium.Īs mentioned earlier, not all homers are barrels. The average barreled homer at AT&T Park is hit at a higher angle (27.9 degrees) than any other park.īecause players must hit the ball higher, AT&T Park sees the fewest barrels converted into home runs: 40.9 percent. If we look at barreled homers, the story is the same though less extreme. ![]() Increasing launch angle is less efficient at AT&T Park at least in terms of converting batted balls into home run. The home run expectancy drops over 20 percentage points. Let’s see what happens when we drop it down another degree to give it the profile of the average barreled non-homer at Dodger Stadium. The home run percentage decreases but not significantly. If we lower the launch angle by a degree, let’s see what happens. The yellow dot to the left of the right field 375 marker amid all those other home runs was a double hit by Justin Bour at AT&T Park. Here are balls hit at 103 MPH and 25 degrees or the average barreled non-homer at AT&T Park.ħ3 percent of those balls have gone for home runs in the Statcast era. It may not seem like a huge difference, but using Statcast’s field visualizer we can see what an impact that extra degree and a half makes. That’s the slowest average exit velocity (though league average is 103.8), but no other park sees anything higher than 24.9 degrees. At AT&T Park, the average barreled non-homers are tracked at 103.2 MPH and 25.6 degrees. It’s interesting if you look at the average exit velocity and launch angle of barreled non-homers. The only other parks to convert fewer than 50 percent of barrels into home runs are Comerica, Kauffman, Fenway, and-oh god damn it, the Braves moved parks and I didn’t account for it-a combination of Turner Field and Sun Trust Park. We’ll have to think of a new name for AT&T South because Petco Park actually grades out above average in this category. In fact, it ranks dead last in HR/Barrel percentage (barreled home runs divided by total barrels). But AT&T Park has seen the fewest barrels go over the fence. It’s fifth behind Comerica Park, Fenway, Chase Field, and Kauffman Stadium. I was surprised to see that AT&T Park didn’t have the most barreled non-homers. I still refer to Chase Field as Bank One Ballpark. I figure that’s easier than going by stadium because I don’t keep track of the corporate sponsorship deals teams have. Note that the labels are by the home team, but it includes barrels hit and allowed by that team at home. I split them into two categories: barreled homers and barreled non-homers. I have looked at all barrels hit at every park by both home and visiting players in the Statcast era or since 2015. 57 percent of all barrels tracked by Statcast have gone over the fence. Not all barrels are home runs and not all home runs are barrels, but over half of barrels do go over the fence. A barrel is any ball that’s hit at such a speed and such an angle that a player is expected to bat. You’re probably familiar with Statcast’s barrels. We know that it’s hard to hit a home run at AT&T Park, but just how hard is it? The average baseball stadium has seen 731 dingers. ![]() There have been 459 home runs hit there over the past four years. Since 2015, AT&T Park has seen the fewest homers by a large margin. ![]() Last year, Grant showed that AT&T Park was completely immune to the home run revolution. Remember, wRC+ adjusts for the park, so even considering they play in an extreme pitcher’s park, they haven’t been good.īut even visiting teams struggle to hit the ball out of AT&T Park. The last time the Giants had a wRC+ of over 100 was in 2015. An easy enough explanation is that the Giants aren’t good at hitting. The last time the Giants finished higher than 25 th in homers was in 2014.
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