# Filter the data for the pitcher Joe Voli
Brian_Foley_data <- data %>%
filter(Pitcher == "Voli, Joseph")
# 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 Joe Voli")
Detailed Pitch Table for Joe Voli
Curveball |
73.50 |
2578.47 |
107.86 |
-4.62 |
3.08 |
BallinDirt |
5.21 |
1.77 |
5.83 |
3.6 |
Four-Seam |
81.72 |
2455.19 |
198.72 |
7.89 |
24.76 |
BallCalled |
5.61 |
1.37 |
6.37 |
6.6 |
Curveball |
72.84 |
2469.05 |
128.67 |
-8.72 |
8.76 |
BallCalled |
5.07 |
1.81 |
5.76 |
4.3 |
Changeup |
79.84 |
2204.46 |
220.07 |
14.80 |
19.11 |
StrikeCalled |
5.09 |
1.82 |
6.45 |
7.3 |
Changeup |
81.14 |
2415.72 |
215.84 |
12.95 |
19.43 |
StrikeCalled |
5.09 |
1.90 |
6.38 |
7.2 |
Curveball |
72.99 |
2440.22 |
103.38 |
-7.45 |
3.52 |
BallCalled |
5.09 |
1.74 |
5.69 |
3.4 |
Changeup |
80.01 |
2318.63 |
207.35 |
11.08 |
22.96 |
BallCalled |
5.62 |
1.57 |
6.26 |
6.9 |
Curveball |
71.27 |
2403.95 |
74.13 |
-5.45 |
0.25 |
StrikeCalled |
5.57 |
1.54 |
5.55 |
2.5 |
Curveball |
72.22 |
2534.18 |
101.33 |
-6.37 |
3.01 |
BallinDirt |
5.27 |
1.90 |
5.58 |
3.4 |
Curveball |
69.99 |
2368.72 |
79.68 |
-9.20 |
0.37 |
InPlay |
5.74 |
1.76 |
5.74 |
2.7 |
Curveball |
69.93 |
2357.01 |
101.41 |
-8.51 |
3.78 |
BallCalled |
5.48 |
1.94 |
5.53 |
3.4 |
Curveball |
73.33 |
2512.45 |
69.69 |
-5.79 |
-0.28 |
BallCalled |
5.29 |
1.74 |
5.53 |
2.3 |
Changeup |
80.40 |
2372.29 |
193.56 |
4.51 |
20.26 |
BallCalled |
5.60 |
1.39 |
6.30 |
6.5 |
Four-Seam |
82.42 |
2425.98 |
200.44 |
7.85 |
22.52 |
BallCalled |
5.58 |
1.49 |
6.37 |
6.7 |
Curveball |
71.00 |
2410.56 |
44.79 |
-8.45 |
-6.49 |
BallCalled |
5.33 |
1.74 |
5.65 |
1.5 |
Curveball |
69.17 |
2302.85 |
57.05 |
-9.28 |
-3.87 |
StrikeCalled |
5.44 |
1.67 |
5.71 |
1.9 |
Changeup |
80.65 |
2484.87 |
202.56 |
8.26 |
21.45 |
BallCalled |
5.32 |
1.84 |
5.92 |
6.8 |
Curveball |
71.19 |
2391.65 |
70.34 |
-6.67 |
-0.52 |
BallCalled |
5.43 |
1.62 |
5.66 |
2.3 |
Four-Seam |
82.77 |
2482.97 |
204.65 |
9.43 |
22.03 |
StrikeSwinging |
5.31 |
1.77 |
6.29 |
6.8 |
Four-Seam |
83.33 |
2388.12 |
206.89 |
10.03 |
21.28 |
InPlay |
5.42 |
1.81 |
6.12 |
6.9 |
Curveball |
73.85 |
2584.91 |
98.97 |
-5.84 |
2.78 |
StrikeCalled |
5.17 |
1.78 |
5.42 |
3.3 |
Curveball |
72.49 |
2604.82 |
85.00 |
-6.63 |
1.46 |
BallCalled |
5.20 |
1.77 |
5.46 |
2.8 |
Curveball |
71.31 |
2455.95 |
61.96 |
-6.61 |
-1.53 |
BallCalled |
5.46 |
1.52 |
5.58 |
2.1 |
Curveball |
71.74 |
2479.65 |
79.48 |
-7.18 |
0.70 |
StrikeCalled |
5.05 |
1.91 |
5.88 |
2.6 |
Curveball |
73.34 |
2520.38 |
57.05 |
-10.58 |
-4.91 |
BallCalled |
5.27 |
1.56 |
5.68 |
1.9 |
Four-Seam |
83.61 |
2439.46 |
203.61 |
8.81 |
21.68 |
InPlay |
5.58 |
1.43 |
6.22 |
6.8 |
Curveball |
71.68 |
2403.19 |
59.90 |
-9.97 |
-3.85 |
BallCalled |
5.30 |
1.73 |
5.53 |
2.0 |
Curveball |
70.20 |
2428.66 |
97.62 |
-7.77 |
3.10 |
BallCalled |
5.36 |
1.73 |
5.77 |
3.3 |
Changeup |
82.10 |
2557.11 |
210.72 |
10.65 |
19.36 |
BallCalled |
5.04 |
1.89 |
6.37 |
7.0 |
Curveball |
72.53 |
2421.01 |
106.47 |
-5.13 |
3.37 |
StrikeCalled |
5.25 |
1.81 |
5.63 |
3.5 |
Curveball |
70.05 |
2318.46 |
96.63 |
-12.90 |
3.64 |
BallCalled |
5.32 |
1.71 |
5.56 |
3.2 |
# 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 %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: 31
# Display the summary table
knitr::kable(pitch_summary, caption = "Summary Pitch Table for Joe Voli")
Summary Pitch Table for Joe Voli
Changeup |
19.35% |
6 |
4 |
2 |
66.67% |
33.33% |
80.69 |
2392.18 |
20.43 |
10.38 |
208.35 |
7.0 |
5.29 |
1.73 |
6.28 |
Curveball |
64.52% |
20 |
14 |
6 |
70.00% |
30.00% |
71.73 |
2449.31 |
0.82 |
-7.66 |
84.07 |
2.8 |
5.32 |
1.74 |
5.64 |
Four-Seam |
16.13% |
5 |
2 |
3 |
40.00% |
60.00% |
82.77 |
2438.34 |
22.45 |
8.80 |
202.86 |
6.8 |
5.50 |
1.57 |
6.27 |
# 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("Joe Voli maximum FB velocity: ", max_fb_velocity, "mph\n")
## Joe Voli maximum FB velocity: 83.61 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 Joe Voli",
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")
)
