# Filter the data for the pitcher Josh Keevan
Brian_Foley_data <- data %>%
filter(Pitcher == "Keevan, Josh")
# 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 Josh Keevan")
Detailed Pitch Table for Josh Keevan
Splitter |
82.36 |
2185.16 |
140.41 |
-14.54 |
19.07 |
StrikeCalled |
5.72 |
-0.48 |
5.82 |
4.7 |
Curveball |
72.51 |
2283.56 |
278.26 |
5.45 |
0.90 |
BallCalled |
5.35 |
-0.60 |
4.97 |
9.3 |
Splitter |
83.84 |
2215.44 |
140.78 |
-14.72 |
19.42 |
BallCalled |
5.67 |
-0.53 |
5.94 |
4.7 |
Curveball |
72.72 |
2110.81 |
333.33 |
3.30 |
-4.62 |
FoulBallNotFieldable |
5.27 |
-0.97 |
5.27 |
11.1 |
Splitter |
84.70 |
2157.23 |
142.90 |
-13.05 |
18.54 |
BallCalled |
5.74 |
-0.38 |
5.80 |
4.8 |
Changeup |
82.80 |
2114.87 |
142.68 |
-13.13 |
18.50 |
FoulBallNotFieldable |
5.62 |
-0.31 |
5.96 |
4.8 |
Changeup |
73.44 |
1544.88 |
112.11 |
-13.77 |
7.25 |
InPlay |
5.25 |
-0.85 |
6.15 |
3.7 |
Changeup |
75.31 |
1524.81 |
107.36 |
-14.81 |
6.18 |
StrikeCalled |
5.32 |
-0.73 |
5.76 |
3.6 |
Changeup |
78.11 |
1770.00 |
114.44 |
-14.76 |
8.13 |
StrikeCalled |
5.26 |
-0.86 |
6.12 |
3.8 |
Changeup |
77.06 |
1680.53 |
108.61 |
-15.75 |
6.74 |
BallCalled |
5.26 |
-0.84 |
6.27 |
3.6 |
Changeup |
80.29 |
1974.15 |
127.92 |
-18.34 |
15.75 |
StrikeSwinging |
5.69 |
-0.39 |
5.94 |
4.3 |
Changeup |
75.47 |
1656.25 |
114.96 |
-14.19 |
8.18 |
InPlay |
5.38 |
-0.63 |
5.74 |
3.8 |
Changeup |
75.50 |
1779.37 |
105.83 |
-16.10 |
6.04 |
StrikeCalled |
5.25 |
-0.98 |
6.32 |
3.5 |
Changeup |
82.89 |
2183.20 |
132.21 |
-19.88 |
19.52 |
BallCalled |
5.60 |
-0.49 |
5.82 |
4.4 |
Changeup |
75.85 |
1785.40 |
108.89 |
-18.60 |
7.87 |
InPlay |
5.26 |
-0.82 |
6.10 |
3.6 |
Changeup |
75.43 |
1780.95 |
104.61 |
-18.80 |
6.41 |
BallCalled |
5.26 |
-0.77 |
5.86 |
3.5 |
Changeup |
84.02 |
2232.95 |
125.20 |
-20.00 |
15.52 |
StrikeCalled |
5.64 |
-0.33 |
5.72 |
4.2 |
Changeup |
74.24 |
1569.64 |
111.47 |
-15.22 |
7.63 |
InPlay |
5.11 |
-0.77 |
6.23 |
3.7 |
Changeup |
83.59 |
2170.26 |
133.65 |
-18.35 |
19.03 |
StrikeCalled |
5.69 |
-0.44 |
5.78 |
4.5 |
Changeup |
76.19 |
1527.66 |
110.62 |
-15.30 |
7.29 |
BallCalled |
5.22 |
-0.82 |
5.98 |
3.7 |
Sinker |
85.93 |
2243.74 |
136.14 |
-17.04 |
19.15 |
BallCalled |
5.74 |
-0.35 |
5.89 |
4.5 |
Splitter |
82.44 |
2147.01 |
139.51 |
-15.08 |
19.22 |
StrikeSwinging |
5.58 |
-0.64 |
5.84 |
4.7 |
Changeup |
83.76 |
2158.68 |
126.70 |
-21.65 |
17.61 |
StrikeSwinging |
5.79 |
-0.28 |
5.73 |
4.2 |
Changeup |
75.93 |
1644.61 |
105.44 |
-16.98 |
6.17 |
StrikeCalled |
5.29 |
-0.82 |
6.28 |
3.5 |
Splitter |
83.49 |
2286.71 |
138.70 |
-17.36 |
21.25 |
BallCalled |
5.83 |
-0.40 |
5.80 |
4.6 |
Changeup |
76.77 |
1669.73 |
119.23 |
-16.29 |
10.61 |
BallCalled |
5.26 |
-0.77 |
5.89 |
4.0 |
Changeup |
84.26 |
2158.01 |
134.60 |
-17.71 |
18.88 |
FoulBallNotFieldable |
5.62 |
-0.42 |
5.74 |
4.5 |
Changeup |
83.29 |
2253.51 |
133.71 |
-17.08 |
17.67 |
FoulBallNotFieldable |
5.75 |
-0.23 |
6.16 |
4.5 |
Changeup |
75.05 |
1745.38 |
130.97 |
-11.64 |
11.70 |
InPlay |
5.35 |
-0.49 |
5.99 |
4.4 |
Four-Seam |
84.09 |
2300.00 |
143.72 |
-13.17 |
19.26 |
StrikeCalled |
5.68 |
-0.33 |
5.97 |
4.8 |
Splitter |
85.57 |
2353.50 |
137.12 |
-17.34 |
19.96 |
InPlay |
5.67 |
-0.25 |
5.80 |
4.6 |
Changeup |
74.66 |
1571.58 |
114.69 |
-13.62 |
7.88 |
StrikeCalled |
5.31 |
-0.88 |
6.46 |
3.8 |
Changeup |
76.29 |
1741.98 |
118.07 |
-9.63 |
6.54 |
BallCalled |
5.19 |
-0.83 |
6.40 |
3.9 |
Slider |
83.58 |
2219.97 |
133.04 |
-17.88 |
18.04 |
StrikeSwinging |
5.68 |
-0.11 |
5.82 |
4.4 |
Changeup |
74.77 |
1574.06 |
108.05 |
-13.62 |
5.96 |
FoulBallNotFieldable |
5.23 |
-0.62 |
5.84 |
3.6 |
Changeup |
78.55 |
2121.59 |
136.32 |
-16.72 |
19.06 |
BallCalled |
5.62 |
-0.16 |
5.95 |
4.5 |
Changeup |
81.73 |
2203.74 |
134.70 |
-16.97 |
18.24 |
BallCalled |
5.73 |
-0.35 |
6.09 |
4.5 |
Changeup |
81.75 |
2207.01 |
133.62 |
-16.97 |
17.60 |
InPlay |
5.70 |
-0.27 |
6.14 |
4.5 |
Slider |
74.40 |
2168.84 |
260.54 |
5.69 |
2.79 |
StrikeCalled |
5.27 |
-0.78 |
5.53 |
8.7 |
Changeup |
75.48 |
1653.41 |
115.50 |
-13.48 |
7.94 |
InPlay |
5.13 |
-0.82 |
6.48 |
3.9 |
Splitter |
82.85 |
2227.11 |
133.93 |
-17.72 |
18.48 |
StrikeSwinging |
5.85 |
-0.15 |
5.84 |
4.5 |
Splitter |
82.61 |
2257.23 |
132.96 |
-18.00 |
18.13 |
StrikeSwinging |
5.60 |
-0.48 |
6.08 |
4.4 |
Slider |
83.87 |
2310.52 |
137.51 |
-16.96 |
19.84 |
StrikeSwinging |
5.87 |
0.00 |
5.94 |
4.6 |
# 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: 43
# Display the summary table
knitr::kable(pitch_summary, caption = "Summary Pitch Table for Josh Keevan")
Summary Pitch Table for Josh Keevan
Changeup |
65.12% |
28 |
8 |
20 |
28.57% |
71.43% |
78.30 |
1857.08 |
11.64 |
-16.05 |
120.43 |
4.0 |
5.42 |
-0.61 |
6.03 |
Curveball |
4.65% |
2 |
1 |
1 |
50.00% |
50.00% |
72.62 |
2197.18 |
-1.86 |
4.38 |
305.79 |
10.2 |
5.31 |
-0.78 |
5.12 |
Four-Seam |
2.33% |
1 |
0 |
1 |
0.00% |
100.00% |
84.09 |
2300.00 |
19.26 |
-13.17 |
143.72 |
4.8 |
5.68 |
-0.33 |
5.97 |
Sinker |
2.33% |
1 |
1 |
0 |
100.00% |
0.00% |
85.93 |
2243.74 |
19.15 |
-17.04 |
136.14 |
4.5 |
5.74 |
-0.35 |
5.89 |
Slider |
6.98% |
3 |
0 |
3 |
0.00% |
100.00% |
80.62 |
2233.11 |
13.56 |
-9.72 |
177.03 |
5.9 |
5.61 |
-0.30 |
5.76 |
Splitter |
18.60% |
8 |
3 |
5 |
37.50% |
62.50% |
83.48 |
2228.67 |
19.26 |
-15.98 |
138.29 |
4.6 |
5.71 |
-0.41 |
5.86 |
# 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("Josh Keevan maximum FB velocity: ", max_fb_velocity, "mph\n")
## Josh Keevan maximum FB velocity: 85.93 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 Josh Keevan",
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")
)
