Playing on an Ohio based traveling semi-pro baseball team, Warstler was discovered in 1927 by a scout for the Indianapolis Indians AA club of the American Association.

[2] Warstler spent the bulk of 1927 playing 128 games for the Quincy Red Birds of the Illinois-Indiana-Iowa League, with a .351 average and eight home runs.

[1] Exhibition games were played in Honolulu, Nagoya, Tokyo, Osaka, Hakodate, Kokuru, Sendai, Kyoto, Omiya, Utsunomiya, Toyama, Shizuoka, Yokohama, Shanghai, and Manila.

[4] Warstler was joined by Connie Mack, Babe Ruth, Jimmy Foxx, Lou Gehrig, Lefty Gomez, Charlie Gehringer, Earl Averill, Bing Miller, Moe Berg, Earl Whitehill, Frank Hayes, Eric McNair, Joe Cascarella, and Clint Brown.

[5] Warstler then joined Ruth, Gehrig, Gomez and other players for a circumnavigation cruise stopping in Java, Fiji, Singapore, Ceylon, and Marseilles.