# Filter the data for the pitcher Keevan
Keevan_data <- Valley68 %>%
filter(Pitcher == "Keevan, Josh")
# Create a detailed table for each pitch
detailed_pitch_table <- Keevan_data %>%
select(AutoPitchType, RelSpeed, SpinRate, SpinAxis, HorzBreak, InducedVertBreak, PitchCall) %>%
rename(
ReleaseSpeed = RelSpeed,
Tilt = SpinAxis,
HorizontalBreak = HorzBreak,
InducedVerticalBreak = InducedVertBreak
) %>%
mutate(
ReleaseSpeed = round(ReleaseSpeed, 2),
SpinRate = round(SpinRate, 2),
Tilt = round(Tilt, 2),
HorizontalBreak = round(HorizontalBreak, 2),
InducedVerticalBreak = round(InducedVerticalBreak, 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 Keevan")
Detailed Pitch Table for Keevan
Changeup |
83.33 |
2073.29 |
95.90 |
-23.71 |
3.79 |
StrikeSwinging |
3.2 |
Four-Seam |
84.83 |
2210.88 |
165.53 |
-4.61 |
19.27 |
BallCalled |
5.5 |
Changeup |
77.25 |
1336.60 |
112.14 |
-25.54 |
12.04 |
BallCalled |
3.7 |
Changeup |
79.01 |
2002.62 |
134.17 |
-14.91 |
15.99 |
FoulBallNotFieldable |
4.5 |
Four-Seam |
86.17 |
2203.37 |
176.34 |
-1.53 |
25.38 |
StrikeCalled |
5.9 |
Changeup |
85.81 |
2241.55 |
126.20 |
-18.44 |
14.73 |
BallCalled |
4.2 |
Changeup |
83.18 |
2207.15 |
125.65 |
-19.23 |
15.10 |
FoulBallNotFieldable |
4.2 |
Changeup |
76.29 |
1332.11 |
143.63 |
-6.70 |
10.61 |
InPlay |
4.8 |
Splitter |
83.14 |
2138.11 |
141.88 |
-14.55 |
19.91 |
BallCalled |
4.7 |
Four-Seam |
85.62 |
2205.65 |
206.74 |
22.80 |
46.75 |
BallCalled |
6.9 |
Changeup |
78.62 |
2180.78 |
160.44 |
-8.37 |
25.05 |
FoulBallNotFieldable |
5.3 |
Changeup |
75.11 |
1483.34 |
110.93 |
-12.20 |
6.48 |
InPlay |
3.7 |
Changeup |
82.22 |
2051.59 |
121.10 |
-15.54 |
10.68 |
BallCalled |
4.0 |
Splitter |
83.05 |
2158.03 |
135.91 |
-15.57 |
17.34 |
FoulBallNotFieldable |
4.5 |
Splitter |
84.20 |
2203.62 |
135.46 |
-16.64 |
18.27 |
FoulBallNotFieldable |
4.5 |
Splitter |
83.11 |
2243.27 |
134.22 |
-17.96 |
18.81 |
BallCalled |
4.5 |
Changeup |
75.38 |
1644.66 |
112.38 |
-14.11 |
7.31 |
InPlay |
3.7 |
Changeup |
85.67 |
2367.59 |
131.17 |
-18.41 |
17.42 |
FoulBallNotFieldable |
4.4 |
Sinker |
85.66 |
2221.99 |
135.43 |
-18.00 |
19.65 |
StrikeSwinging |
4.5 |
Changeup |
85.56 |
2264.83 |
131.82 |
-18.83 |
18.18 |
StrikeSwinging |
4.4 |
Changeup |
84.38 |
2341.03 |
129.82 |
-18.20 |
16.56 |
BallCalled |
4.3 |
Curveball |
71.87 |
2035.70 |
279.15 |
5.64 |
1.12 |
StrikeCalled |
9.3 |
Curveball |
72.63 |
2215.37 |
268.64 |
5.20 |
2.05 |
BallCalled |
9.0 |
Splitter |
84.06 |
2346.98 |
133.71 |
-18.43 |
18.92 |
StrikeSwinging |
4.5 |
Changeup |
84.46 |
2314.35 |
133.04 |
-17.15 |
17.24 |
BallCalled |
4.4 |
Splitter |
84.44 |
2202.59 |
135.65 |
-16.57 |
18.19 |
BallCalled |
4.5 |
# Create a summary table
pitch_summary <- detailed_pitch_table %>%
group_by(AutoPitchType) %>%
summarise(
TotalPitches = n(),
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
)
# Display the summary table
knitr::kable(pitch_summary, caption = "Summary Pitch Table for Keevan")
Summary Pitch Table for Keevan
Changeup |
14 |
5 |
9 |
35.71% |
64.29% |
81.16 |
1988.68 |
13.66 |
-16.52 |
126.31 |
4.2 |
Curveball |
2 |
1 |
1 |
50.00% |
50.00% |
72.25 |
2125.53 |
1.58 |
5.42 |
273.90 |
9.2 |
Four-Seam |
3 |
2 |
1 |
66.67% |
33.33% |
85.54 |
2206.63 |
30.47 |
5.55 |
182.87 |
6.1 |
Sinker |
1 |
0 |
1 |
0.00% |
100.00% |
85.66 |
2221.99 |
19.65 |
-18.00 |
135.43 |
4.5 |
Splitter |
6 |
3 |
3 |
50.00% |
50.00% |
83.67 |
2215.43 |
18.57 |
-16.62 |
136.14 |
4.5 |
# Prepare data for plotting pitch locations
pitch_location_data <- Keevan_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) + # Increase point size
geom_rect(aes(xmin = -0.5, xmax = 0.5, ymin = 1.75, ymax = 3.25), fill = NA, color = "red", linetype = "solid", size = 1) + # Red box
geom_rect(aes(xmin = -0.75, xmax = 0.75, ymin = 1.5, ymax = 3.5), fill = NA, color = "black", linetype = "solid", size = 1) + # Black box
geom_rect(aes(xmin = -1.25, xmax = 1.25, ymin = 1.25, ymax = 3.75), fill = NA, color = "gray", linetype = "solid", size = 1) + # Gray box
scale_x_continuous(limits = c(-2, 2)) +
scale_y_continuous(limits = c(0, 5)) +
coord_fixed(ratio = 1) + # Adjust ratio to shrink vertical distance
labs(title = "Pitch Locations for Keevan",
x = "Horizontal Location (feet)",
y = "Vertical Location (feet)",
color = "Swing/Take",
shape = "Chase") +
facet_wrap(~ AutoPitchType) + # Create individual graphs for each pitch type
geom_text(aes(x = -1.75, y = 5, label = "RHH"), color = "black", size = 3, hjust = 0) + # Label for RHH
geom_text(aes(x = 1.75, y = 5, label = "LHH"), color = "black", size = 3, hjust = 1) + # Label for LHH
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 Keevan",
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")
)
