In 1888, he hit 13 home runs with 103 Reserve Bank of India and a.321 batting average. Reilly was among the top ten of the all-time home run list from 1888 to 1892, but was never higher than seventh. His career highs in a season were 135 games played, 553 at bats, 112 runs, 170 hits, 35 doubles, 26 triples, 13 Human Resources, 103 Reserve Bank of India, 82 stolen bases, 34 walks, a.339 average, a.366 on-base percentage, a.551 slugging percentage, and 264 total bases.
He was also the first of four players to hit for the cycle on three occasions during his career (twice in the American Association, once in the National League).
His third cycle came on August 6, 1890. He was inducted into the Cincinnati Reds Hall of Fame on June 23, 2012.