New Statcast metrics give us a better grasp on both measures.
Julio Urías superb in Dodgers' 7-1 win over Guardians - Los Angeles Times
Umpire (baseball) - Wikipedia
The Not-So Secret, Secret to College Baseball Recruiting • RPP Baseball
Frontiers Optimal integration of kinematic and ball-flight information when perceiving the speed of a moving ball
How To Increase Hitting Power: Bat Speed And Exit Velocity Exercise Formula For Baseball, Softball, & Slow Pitch Drills
Features – Page 569 – FiveThirtyEight
Fastball lore: From Walter Johnson to Bob Feller to Nolan Ryan
Solved Problem 3 A baseball is pitched with speed vp, then a
FanGraphs Baseball Baseball Statistics and Analysis
Fastball lore: From Walter Johnson to Bob Feller to Nolan Ryan
Pro Hitter Bat Tool - M^Powered Baseball
Billy Hamilton needs a break from batting in the leadoff spot - Redleg Nation