# Filter the data for the pitcher Derek Benzinger
Derek_Benzinger_data <- data %>%
filter(Pitcher == "Benzinger, Derek")
# Create a detailed table for each pitch
detailed_pitch_table <- Derek_Benzinger_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
| Slider |
82.87 |
2527.31 |
157.54 |
-1.91 |
6.07 |
InPlay |
6.02 |
1.95 |
4.69 |
5.3 |
| Slider |
78.28 |
2551.65 |
95.12 |
-5.75 |
2.12 |
BallCalled |
5.90 |
1.82 |
4.61 |
3.2 |
| Sinker |
89.58 |
2173.96 |
230.72 |
19.80 |
17.52 |
BallCalled |
6.20 |
1.74 |
4.94 |
7.7 |
| Slider |
82.98 |
2401.01 |
151.71 |
-1.71 |
4.55 |
StrikeSwinging |
6.00 |
1.78 |
4.87 |
5.1 |
| Slider |
83.63 |
2527.88 |
156.41 |
-1.57 |
4.89 |
BallCalled |
6.13 |
1.69 |
4.69 |
5.2 |
| Sinker |
88.61 |
2044.30 |
237.58 |
15.05 |
10.85 |
InPlay |
6.20 |
1.72 |
5.10 |
7.9 |
| Sinker |
89.42 |
1986.24 |
244.28 |
15.52 |
8.74 |
InPlay |
6.24 |
1.59 |
4.91 |
8.1 |
| Slider |
84.61 |
2500.70 |
180.99 |
0.15 |
9.95 |
BallCalled |
6.12 |
1.63 |
4.89 |
6.0 |
| Slider |
82.62 |
2412.88 |
191.49 |
1.32 |
7.96 |
InPlay |
6.03 |
1.84 |
4.81 |
6.4 |
# 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: 9
# Display the summary table
knitr::kable(pitch_summary, caption = "Summary Pitch Table for Derek Benzinger")
Summary Pitch Table for Derek Benzinger
| Sinker |
33.33% |
3 |
1 |
2 |
33.33% |
66.67% |
89.2 |
2068.17 |
12.37 |
16.79 |
237.53 |
7.9 |
6.21 |
1.68 |
4.98 |
| Slider |
66.67% |
6 |
3 |
3 |
50.00% |
50.00% |
82.5 |
2486.91 |
5.92 |
-1.58 |
155.54 |
5.2 |
6.03 |
1.78 |
4.76 |
# 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: 89.58 mph
# Prepare data for plotting pitch locations
pitch_location_data <- Derek_Benzinger_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
labs(title = "Pitch Movement for Derek Benzinger",
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")
)
