# 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
| Sinker |
87.80 |
2162.71 |
223.94 |
14.90 |
16.74 |
BallCalled |
6.19 |
1.85 |
5.13 |
7.5 |
| Slider |
83.21 |
2375.87 |
193.99 |
1.04 |
5.59 |
StrikeSwinging |
5.78 |
2.11 |
4.90 |
6.5 |
| Sinker |
88.03 |
2196.68 |
227.06 |
14.94 |
15.18 |
BallCalled |
5.91 |
1.96 |
5.05 |
7.6 |
| Slider |
83.34 |
2423.45 |
226.03 |
7.53 |
8.56 |
InPlay |
5.87 |
1.99 |
4.83 |
7.5 |
| Curveball |
76.87 |
2495.21 |
64.97 |
-7.07 |
-1.71 |
FoulBallNotFieldable |
5.84 |
1.93 |
4.93 |
2.2 |
| Slider |
78.52 |
2564.28 |
103.78 |
-4.52 |
2.64 |
StrikeSwinging |
5.86 |
1.73 |
5.02 |
3.5 |
| Curveball |
79.29 |
2581.79 |
55.81 |
-5.01 |
-1.96 |
BallCalled |
5.84 |
1.69 |
4.96 |
1.9 |
| Sinker |
87.69 |
2136.58 |
232.27 |
15.40 |
13.17 |
InPlay |
5.98 |
1.72 |
5.26 |
7.7 |
| Sinker |
88.02 |
2131.41 |
232.79 |
16.11 |
13.45 |
StrikeCalled |
5.93 |
1.97 |
5.24 |
7.8 |
| Changeup |
82.83 |
1927.43 |
243.56 |
14.22 |
8.42 |
BallCalled |
5.66 |
2.05 |
5.56 |
8.1 |
| Changeup |
87.04 |
1909.38 |
249.62 |
18.60 |
8.19 |
InPlay |
5.84 |
1.89 |
5.04 |
8.3 |
| Curveball |
76.81 |
1243.84 |
39.88 |
-5.82 |
-5.43 |
HitByPitch |
5.92 |
1.93 |
4.84 |
1.3 |
| Slider |
82.69 |
2299.61 |
183.28 |
0.21 |
5.05 |
BallCalled |
5.88 |
1.86 |
4.98 |
6.1 |
| Four-Seam |
86.19 |
2153.17 |
215.94 |
12.09 |
18.09 |
InPlay |
6.25 |
1.68 |
5.11 |
7.2 |
| Changeup |
85.86 |
1927.85 |
256.87 |
16.00 |
4.97 |
BallCalled |
5.97 |
2.11 |
5.08 |
8.6 |
| Changeup |
86.47 |
2006.20 |
218.69 |
12.44 |
16.91 |
BallCalled |
6.15 |
1.85 |
5.01 |
7.3 |
| Slider |
81.69 |
2410.37 |
180.50 |
0.04 |
5.91 |
StrikeCalled |
5.98 |
2.13 |
4.62 |
6.0 |
| Slider |
84.36 |
2390.77 |
191.13 |
0.90 |
5.87 |
BallCalled |
6.05 |
1.82 |
4.71 |
6.4 |
| Sinker |
87.28 |
2154.23 |
228.90 |
16.21 |
15.44 |
BallCalled |
6.09 |
1.88 |
5.08 |
7.6 |
| Slider |
84.04 |
2394.03 |
200.67 |
1.89 |
6.37 |
BallCalled |
5.95 |
1.96 |
4.86 |
6.7 |
# 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 %in% c("BallCalled", "BallinDirt")),
Strikes = sum(!PitchCall %in% c("BallCalled", "BallinDirt")), # 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: 20
# Display the summary table
knitr::kable(pitch_summary, caption = "Summary Pitch Table for Derek Benzinger")
Summary Pitch Table for Derek Benzinger
| Changeup |
20.00% |
4 |
3 |
1 |
75.00% |
25.00% |
85.55 |
1942.72 |
9.62 |
15.32 |
242.18 |
8.1 |
5.90 |
1.97 |
5.17 |
| Curveball |
15.00% |
3 |
1 |
2 |
33.33% |
66.67% |
77.66 |
2106.95 |
-3.03 |
-5.97 |
53.55 |
1.8 |
5.87 |
1.85 |
4.91 |
| Four-Seam |
5.00% |
1 |
0 |
1 |
0.00% |
100.00% |
86.19 |
2153.17 |
18.09 |
12.09 |
215.94 |
7.2 |
6.25 |
1.68 |
5.11 |
| Sinker |
25.00% |
5 |
3 |
2 |
60.00% |
40.00% |
87.76 |
2156.32 |
14.80 |
15.51 |
228.99 |
7.6 |
6.02 |
1.88 |
5.15 |
| Slider |
35.00% |
7 |
3 |
4 |
42.86% |
57.14% |
82.55 |
2408.34 |
5.71 |
1.01 |
182.77 |
6.1 |
5.91 |
1.94 |
4.85 |
# Calculate maximum fastball velocity
max_fb_velocity <- detailed_pitch_table %>%
filter(AutoPitchType %in% c("Four-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: 88.03 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", "FoulBall", "FoulBallFieldable", "FoulBallNotFieldable", "InPlay"), "Swing", "Take"),
Chase = ifelse(SwingTake == "Swing" & (PitchSide < -0.85 | PitchSide > 0.85 | 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 = -0.85, xmax = 0.85, 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")
)
