All Giants rookie starters since 1910 (min. of 100 IP, 60% IP as starters) ranked by ERA+ Rk Player ERA+ WAR SO/9 IP Year Age 1 Jeff Tesreau 173 5.0 4.41 243.0 1912 24 2 Al Demaree 142 4.0 3.43 199.2 1913 28 3 Carl Hubbell 139 2.1 2.69 124.0 1928 25 4 Christy Mathewson 138 7.5 5.92 336.0 1901… Read more →