# Filter the data for the pitcher Derek Benzinger
Brian_Foley_data <- data %>%
filter(Pitcher == "Benzinger, Derek")
# Create a detailed table for each pitch
detailed_pitch_table <- Brian_Foley_data %>%
select(AutoPitchType, RelSpeed, SpinRate, SpinAxis, HorzBreak, InducedVertBreak, PitchCall, RelHeight, RelSide, Extension) %>%
rename(
ReleaseSpeed = RelSpeed,
Tilt = SpinAxis,
HorizontalBreak = HorzBreak,
InducedVerticalBreak = InducedVertBreak,
ReleaseHeight = RelHeight,
ReleaseSide = RelSide
) %>%
mutate(
ReleaseSpeed = round(ReleaseSpeed, 2),
SpinRate = round(SpinRate, 2),
Tilt = round(Tilt, 2),
HorizontalBreak = round(HorizontalBreak, 2),
InducedVerticalBreak = round(InducedVerticalBreak, 2),
ReleaseHeight = round(ReleaseHeight, 2),
ReleaseSide = round(ReleaseSide, 2),
Extension = round(Extension, 2),
ClockTilt = round((Tilt / 30) %% 12, 1) # Interpret Tilt as clock face
)
# Display the detailed table
knitr::kable(detailed_pitch_table, caption = "Detailed Pitch Table for Derek Benzinger")
Detailed Pitch Table for Derek Benzinger
| Four-Seam |
90.33 |
2200.66 |
218.69 |
12.59 |
16.96 |
StrikeCalled |
6.15 |
1.95 |
4.75 |
7.3 |
| Changeup |
82.76 |
2081.81 |
259.77 |
17.79 |
4.59 |
StrikeCalled |
5.63 |
2.28 |
5.34 |
8.7 |
| Four-Seam |
90.77 |
2361.21 |
214.90 |
12.49 |
19.10 |
StrikeSwinging |
6.08 |
1.82 |
4.86 |
7.2 |
| Sinker |
88.30 |
2136.61 |
222.93 |
13.29 |
15.53 |
BallCalled |
6.14 |
2.02 |
4.91 |
7.4 |
| Sinker |
88.76 |
2175.79 |
223.02 |
14.21 |
16.47 |
BallCalled |
6.14 |
1.89 |
5.03 |
7.4 |
| Slider |
84.30 |
2304.11 |
155.58 |
-2.73 |
7.22 |
BallCalled |
5.83 |
2.04 |
5.14 |
5.2 |
| Four-Seam |
88.44 |
2191.10 |
219.83 |
12.66 |
16.39 |
StrikeCalled |
6.12 |
1.87 |
5.15 |
7.3 |
| Slider |
83.15 |
2362.09 |
150.26 |
-3.57 |
7.46 |
BallCalled |
5.80 |
2.08 |
4.95 |
5.0 |
| Slider |
83.34 |
2343.90 |
155.98 |
-2.54 |
6.95 |
StrikeSwinging |
5.77 |
2.07 |
5.03 |
5.2 |
| Slider |
83.37 |
2337.50 |
162.64 |
-2.37 |
8.83 |
InPlay |
5.75 |
1.99 |
5.05 |
5.4 |
| Four-Seam |
89.80 |
2190.73 |
213.27 |
12.43 |
20.17 |
StrikeSwinging |
6.17 |
1.71 |
4.83 |
7.1 |
| Four-Seam |
90.50 |
2362.33 |
214.26 |
11.96 |
18.76 |
StrikeSwinging |
6.09 |
1.67 |
5.04 |
7.1 |
| Four-Seam |
90.46 |
2277.04 |
215.60 |
12.70 |
18.94 |
FoulBallNotFieldable |
6.10 |
1.63 |
4.73 |
7.2 |
| Slider |
80.76 |
2582.28 |
92.03 |
-8.55 |
1.52 |
StrikeSwinging |
5.74 |
1.87 |
5.02 |
3.1 |
| Four-Seam |
87.69 |
2237.50 |
220.35 |
12.47 |
15.86 |
StrikeCalled |
6.17 |
1.91 |
5.03 |
7.3 |
| Curveball |
75.93 |
2415.90 |
35.45 |
-8.31 |
-10.28 |
BallCalled |
5.77 |
2.11 |
5.16 |
1.2 |
| Four-Seam |
89.53 |
2272.41 |
221.30 |
13.27 |
16.31 |
BallCalled |
6.06 |
1.85 |
5.06 |
7.4 |
| Slider |
81.57 |
2411.35 |
129.40 |
-5.90 |
6.13 |
StrikeCalled |
5.85 |
2.15 |
5.05 |
4.3 |
| Changeup |
81.18 |
1929.43 |
244.60 |
15.70 |
8.89 |
InPlay |
5.55 |
2.19 |
5.67 |
8.2 |
# Calculate the total number of pitches
total_pitches <- nrow(detailed_pitch_table)
# Create a summary table
pitch_summary <- detailed_pitch_table %>%
group_by(AutoPitchType) %>%
summarise(
TotalPitches = n(),
Usage = sprintf("%.2f%%", n() / total_pitches * 100),
Balls = sum(PitchCall == "BallCalled"),
Strikes = sum(PitchCall != "BallCalled"), # Count everything not a ball as a strike
BallPercentage = sprintf('%.2f%%', Balls / TotalPitches * 100),
StrikePercentage = sprintf('%.2f%%', Strikes / TotalPitches * 100),
AvgVelocity = round(mean(ReleaseSpeed, na.rm = TRUE), 2),
AvgSpinRate = round(mean(SpinRate, na.rm = TRUE), 2),
AvgInducedVertBreak = round(mean(InducedVerticalBreak, na.rm = TRUE), 2),
AvgHorzBreak = round(mean(HorizontalBreak, na.rm = TRUE), 2),
AvgTilt = round(mean(Tilt, na.rm = TRUE), 2),
AvgClockTilt = round(mean(ClockTilt, na.rm = TRUE), 1), # Clock face interpretation
AvgReleaseHeight = round(mean(ReleaseHeight, na.rm = TRUE), 2),
AvgReleaseSide = round(mean(ReleaseSide, na.rm = TRUE), 2),
AvgExtension = round(mean(Extension, na.rm = TRUE), 2)
) %>%
select(AutoPitchType, Usage, everything())
# Display the total number of pitches
cat("Total number of pitches thrown: ", total_pitches, "\n")
## Total number of pitches thrown: 19
# Display the summary table
knitr::kable(pitch_summary, caption = "Summary Pitch Table for Derek Benzinger")
Summary Pitch Table for Derek Benzinger
| Changeup |
10.53% |
2 |
0 |
2 |
0.00% |
100.00% |
81.97 |
2005.62 |
6.74 |
16.74 |
252.18 |
8.4 |
5.59 |
2.23 |
5.50 |
| Curveball |
5.26% |
1 |
1 |
0 |
100.00% |
0.00% |
75.93 |
2415.90 |
-10.28 |
-8.31 |
35.45 |
1.2 |
5.77 |
2.11 |
5.16 |
| Four-Seam |
42.11% |
8 |
1 |
7 |
12.50% |
87.50% |
89.69 |
2261.62 |
17.81 |
12.57 |
217.28 |
7.2 |
6.12 |
1.80 |
4.93 |
| Sinker |
10.53% |
2 |
2 |
0 |
100.00% |
0.00% |
88.53 |
2156.20 |
16.00 |
13.75 |
222.98 |
7.4 |
6.14 |
1.96 |
4.97 |
| Slider |
31.58% |
6 |
2 |
4 |
33.33% |
66.67% |
82.75 |
2390.20 |
6.35 |
-4.28 |
140.98 |
4.7 |
5.79 |
2.03 |
5.04 |
# Calculate maximum fastball velocity
max_fb_velocity <- detailed_pitch_table %>%
filter(AutoPitchType %in% c("Four-Seam", "Two-Seam", "Sinker", "Cutter")) %>%
summarise(MaxFBVelocity = max(ReleaseSpeed, na.rm = TRUE)) %>%
pull(MaxFBVelocity)
# Display the maximum fastball velocity
cat("Derek Benzinger maximum FB velocity: ", max_fb_velocity, "mph\n")
## Derek Benzinger maximum FB velocity: 90.77 mph
# Prepare data for plotting pitch locations
pitch_location_data <- Brian_Foley_data %>%
select(AutoPitchType, PlateLocHeight, PlateLocSide, PitchCall) %>%
rename(
PitchHeight = PlateLocHeight,
PitchSide = PlateLocSide
) %>%
mutate(
SwingTake = ifelse(PitchCall %in% c("StrikeSwinging", "FoulBallNonSwinging", "FoulBallFieldable", "FoulBallNotFieldable", "InPlay"), "Swing", "Take"),
Chase = ifelse(SwingTake == "Swing" & (PitchSide < -0.75 | PitchSide > 0.75 | PitchHeight < 1.5 | PitchHeight > 3.5), "Chase", "Non-Chase")
)
# Create the scatter plot with specified strike zone boxes
ggplot(pitch_location_data, aes(x = PitchSide, y = PitchHeight, color = SwingTake, shape = Chase)) +
geom_point(size = 3) +
geom_rect(aes(xmin = -0.5, xmax = 0.5, ymin = 1.75, ymax = 3.25), fill = NA, color = "red", linetype = "solid", size = 1) +
geom_rect(aes(xmin = -0.75, xmax = 0.75, ymin = 1.5, ymax = 3.5), fill = NA, color = "black", linetype = "solid", size = 1) +
geom_rect(aes(xmin = -1.25, xmax = 1.25, ymin = 1.25, ymax = 3.75), fill = NA, color = "gray", linetype = "solid", size = 1) +
scale_x_continuous(limits = c(-2, 2)) +
scale_y_continuous(limits = c(0, 5)) +
coord_fixed(ratio = 1) +
labs(title = "Pitch Locations for Derek Benzinger",
x = "Horizontal Location (feet)",
y = "Vertical Location (feet)",
color = "Swing/Take",
shape = "Chase") +
facet_wrap(~ AutoPitchType) +
theme_minimal() +
theme(
legend.position = "right",
panel.grid.major = element_line(color = "grey80"),
panel.grid.minor = element_line(color = "grey90"),
axis.text = element_text(color = "black"),
axis.title = element_text(color = "black"),
plot.title = element_text(color = "black"),
legend.background = element_rect(fill = "white", color = NA),
legend.key = element_rect(fill = "white", color = NA),
legend.text = element_text(color = "black"),
legend.title = element_text(color = "black")
)
# Create the scatter plot for horizontal and vertical breaks
ggplot(detailed_pitch_table, aes(x = HorizontalBreak, y = InducedVerticalBreak, color = AutoPitchType)) +
geom_point(size = 3) + # Increase point size
scale_x_continuous(limits = c(-25, 25)) + # Set horizontal limits to +/- 25 inches
scale_y_continuous(limits = c(-25, 25)) + # Set vertical limits to +/- 25 inches
labs(title = paste("Pitch Movement"),
x = "Horizontal Break (inches)",
y = "Induced Vertical Break (inches)",
color = "Pitch Type") +
theme_minimal() +
theme(
legend.position = "right",
panel.grid.major = element_line(color = "grey80"),
panel.grid.minor = element_line(color = "grey90"),
axis.text = element_text(color = "black"),
axis.title = element_text(color = "black"),
plot.title = element_text(color = "black"),
legend.background = element_rect(fill = "white", color = NA),
legend.key = element_rect(fill = "white", color = NA),
legend.text = element_text(color = "black"),
legend.title = element_text(color = "black")
)
