His break came that June , when Giants scout Dick Kinsella decided to take in a game between Hubbell 's Exporters and the Houston Buffs while in Houston for the 1928 Democratic National Convention . He had n't planned on doing any scouting , but he was impressed by Hubbell . Kinsella called Giants manager John McGraw and mentioned that he knew of Hubbell 's release by Detroit , prompted in part by Cobb 's concerns about the screwball . McGraw replied that Christy Mathewson had a screwball ( a fadeaway , as it was called in his time ) and it did n't seem to affect his arm . Kinsella followed Hubbell for a month and was still impressed
1928 Democratic National Convention
1928 Democratic National Convention
Carl Hubbell