In June 1887, Thomas was named manager for the Indianapolis Hoosiers of the National League.

[2] Thomas had a managerial record of 11–18, before he was replaced by Horace Fogel in July.

[3] Accruing a record of 20–49 under Fogel, the 1887 Indianapolis Hoosiers finished the season at 37–89.

[4] Little is known about Thomas; research suggests he may be Frederick Lucius Thomas, who was born in Indianapolis on July 31, 1855, and died in Los Angeles on this 78th birthday (July 31, 1933).

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