The following season, Thomas played for the Daytona Beach Islanders, hitting .387 with 13 doubles, five triples and no home runs in only 297 at-bats.

He played for the Islanders in 1924, who became the Clearwater Pelicans partway that season, hitting .345 with 32 doubles, eight triples and three home runs in 94 games.

In 1925, Thomas mostly played for the Worcester Panthers, hitting .338 with 33 doubles, five triples and four home runs in 126 games.

On June 12, he was traded to the Giants with Larry Benton and Zack Taylor for Doc Farrell, Kent Greenfield and Hugh McQuillan.

He played for the Bisons and Toledo Mud Hens in 1929, hitting a combined .307 with 22 doubles, five triples and 14 home runs in 137 games.

With the Newark Bears and Bisons in 1930, Thomas played a total of 168 games, hitting .322 with 43 doubles, 12 triples and 19 home runs in 677 at-bats.

He split the season between the Jacksonville Tars and Augusta Tigers, hitting a combined .277 with 18 doubles, four triples and no home runs in 94 games.

He came back strong in 1940, when – at 38 years old – he hit .352 with 25 doubles, one triple and no home runs in 389 at-bats for the Fort Lauderdale Tarpons.

1942 was his final professional season – in only eight games for the West Palm Beach Indians, he hit .185 in 27 at-bats.