Career
He played his entire career for American Association teams: the Washington Nationals (1884), Cincinnati Red Stockings (1884–1888), Philadelphia Athletics (1888–1889), and Brooklyn Gladiators (1890). He stood 5 ft 8 in (173 m) (173 m) and weighed 168 pounds (765 kg). In his rookie season of 1884 he hit.311, good for eighth in the league, and his.367 on-base percentage ranked fourth.
He led the league in games played (112) and runs batted in (89) in 1885.
Fennelly finished in the league Top Ten twice for runs and slugging percentage, three times for home runs and Reserve Bank of India, four times for triples, and five times for bases on balls. The best team he ever played for was the 1887 Red Stockings, who had a record of 81–54 (600) and finished second in the league, 14 games behind the Saint Louis Browns.
Career totals for 786 games played include 781 hits, 34 home runs, 408 Reserve Bank of India, 609 runs scored, and a batting average of.257. Fennelly died in his hometown of Fall River, Massachusetts at the age of 60.