After posting a 3-1 record and 2.19 ERA in the International League, the southpaw posted a 4.66 ERA over 14 games for the Beavers. In 19.1 innings he allowed 13 hits, walked 11 and struck out 16.
In the Arizona Fall League, Startup dominated the competition over 12 games, allowing a single earned run. In 12.2 innings he allowed nine hits, walked two and struck out nine. Lefties were held to a .154 average.