Supplemental Material for 'Is Roger Clemens' WHIP Trajectory Unusual?'
Figure 1. ERA trajectories of z-scores and multilevel quadratic �ts for Pedro Martinez, Greg Maddux, Sandy Koufax, and Dennis Eckersley
Figure 2. ERA trajectories of z-scores and multilevel quadratic �ts for J. R. Richard, Robin Roberts, Randy Johnson, and Kevin Brown
Figure 3. ERA trajectories of z-scores and multilevel quadratic �ts for Cat�sh Hunter, Hoyt Wilhelm, Tom Seaver, and Juan Marichal
Figure 4. ERA trajectories of z-scores and multilevel quadratic �ts for Curt Schilling, Sid Fernandez, Don Sutton, and Fergie Jenkins
Figure 5. ERA trajectories of z-scores and multilevel quadratic �ts for Mike Scott, Rich Gossage, Dwight Gooden, and Dick Hall
Figure 6. ERA trajectories of z-scores and multilevel quadratic �ts for John Smoltz, Roger Clemens, Don Drysdale, and Dennis Martinez
Figure 7. ERA trajectories of z-scores and multilevel quadratic �ts for Bob Gibson, Don Newcombe, Andy Messersmith, and Mike Mussina
Figure 8. ERA trajectories of z-scores and multilevel quadratic �ts for Nolan Ryan, Fernando Valenzuela, Gaylord Perry, and Jim Palmer
Figure 9. ERA trajectories of z-scores and multilevel quadratic �ts for Pascual Perez and Jim Bunning