22
October
2017

Aaron Hill Follow-up

There were so many good questions raised in the comments portion of my post yesterday on Aaron Hill that I thought addre sing some of them deserved a follow-up post. The bulk of the questions originate from former BtB overlord Sky Kalkman:
Would like to see some additional breakdowns. Did Hill see more or fewer pitches over each area of the plate (and out)? Did he see various kinds of pitches, and various locations of various pitches? Did he swing at certain pitches/locations more regularly or le s often? Did pitchers approaches change throughout the year?
Addre sing Skys first point:Yes, it does seem that pitchers pitch farther outside to Hill. The peak location is a good third of the Darren Waller Jersey foot farther away from Hill than to the average righty. Based around the results of yesterdays post, this is an excellent idea: Hill Kenny Bell Jersey crushes those inside pitches.
Skipping to Kalkmans question about whether Hill swings at certain locations of pitches more than others:Generally Hill has a higher swing rate than average righty which is partially true for middle-in pitches, but as pitches get farther from him he swings at approximately league-average rate. So it does seem like Hill swings more often at the inside pitches he has got the utmost succe s with.
Skys last question was, Did pitchers approaches change all year round? This is very interesting. If you appear at Hills FB% numbers he's been seeing fewer and fewer fastballs since 2006. But should you split it out by month for 2009:March/April .525May .550June .519July .572August .596Sept./Oct. .590For some reason, in July, pitchers reversed this trend. After he had already crushed 19 HRs with the first half of the year pitchers started throwing fastballs to him more often. I poked around some more, but could not find a big alternation in Kapron Lewis-Moore Jersey where those pitches were thrown. This is an interesting trend then one that may be investigated further.
Ewan, another commenter, suggests:
One thing I noticed about watching Hill a lot last season is he is excellent at fouling off pitches around the outer half for someone his size and who used a heavier bat. Because of this he almost forces the pitcher to throw him something a bit more hittable.
Here may be the fouls per pitch by horizontal location:This doesn't turn to be the case. Hill does foul off a lot of inside pitches making sense because he pulls them a lot but on outside pitches he fouls off pitches at approximately a league-average rate.
Finally, Vivaelpujols had a great suggestion:
Maybe you might chart the vertical location in the strike zone, as a purpose of the depth from the plate. So home operates on pitches around 3.5 pz would include the furthest area of the square part of the plate. Home runs on pitches at 1.5 pz would only extend to the front from the plate.
What would you all think? I like it. Most of his HRs have been in a reasonably narrow band, but he's that one HR that was relatively up in the zone.
Thanks to any Terrell Suggs Jersey or all the commenters for their insightful observations and questions. Obviously even this still just scratches the top. I have ignored an analysis of the height of the pitches, beyond this most recent HR graph; looking at performance and placement of every pitch type separately; along with a host of other questions.

There were so many good questions raised in the comments portion of my post yesterday on Aaron Hill that I thought addre sing some of them deserved a follow-up post. The bulk of the questions originate from former BtB overlord Sky Kalkman:
Would like to see some additional breakdowns. Did Hill see more or fewer pitches over each area of the plate (and out)? Did he see various kinds of pitches, and various locations of various pitches? Did he swing at certain pitches/locations more regularly or le s often? Did pitchers approaches change throughout the year?
Addre sing Skys first point:Yes, it does seem that pitchers pitch farther outside to Hill. The peak location is a good third of the Darren Waller Jersey foot farther away from Hill than to the average righty. Based around the results of yesterdays post, this is an excellent idea: Hill Kenny Bell Jersey crushes those inside pitches.
Skipping to Kalkmans question about whether Hill swings at certain locations of pitches more than others:Generally Hill has a higher swing rate than average righty which is partially true for middle-in pitches, but as pitches get farther from him he swings at approximately league-average rate. So it does seem like Hill swings more often at the inside pitches he has got the utmost succe s with.
Skys last question was, Did pitchers approaches change all year round? This is very interesting. If you appear at Hills FB% numbers he's been seeing fewer and fewer fastballs since 2006. But should you split it out by month for 2009:March/April .525May .550June .519July .572August .596Sept./Oct. .590For some reason, in July, pitchers reversed this trend. After he had already crushed 19 HRs with the first half of the year pitchers started throwing fastballs to him more often. I poked around some more, but could not find a big alternation in Kapron Lewis-Moore Jersey where those pitches were thrown. This is an interesting trend then one that may be investigated further.
Ewan, another commenter, suggests:
One thing I noticed about watching Hill a lot last season is he is excellent at fouling off pitches around the outer half for someone his size and who used a heavier bat. Because of this he almost forces the pitcher to throw him something a bit more hittable.
Here may be the fouls per pitch by horizontal location:This doesn't turn to be the case. Hill does foul off a lot of inside pitches making sense because he pulls them a lot but on outside pitches he fouls off pitches at approximately a league-average rate.
Finally, Vivaelpujols had a great suggestion:
Maybe you might chart the vertical location in the strike zone, as a purpose of the depth from the plate. So home operates on pitches around 3.5 pz would include the furthest area of the square part of the plate. Home runs on pitches at 1.5 pz would only extend to the front from the plate.
What would you all think? I like it. Most of his HRs have been in a reasonably narrow band, but he's that one HR that was relatively up in the zone.
Thanks to any Terrell Suggs Jersey or all the commenters for their insightful observations and questions. Obviously even this still just scratches the top. I have ignored an analysis of the height of the pitches, beyond this most recent HR graph; looking at performance and placement of every pitch type separately; along with a host of other questions.



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