Kelly begins his second season with the Ducks and 10th in professional baseball. The infielder has spent all nine seasons of his professional career in the Atlantic League. He joined the Ducks in August of 2023 and played in 29 games, posting a .347 on-base percentage while totaling six RBIs, 15 runs, 19 hits, four doubles, six stolen bases and eight walks. He finished the season strong as well, reaching base safely in his final 10 games and batting .304 with a .407 OBP during the month of September. The 32-year-old began the season with the Spire City Ghost Hounds, compiling a .320 OBP, 18 RBIs, 41 runs, 44 hits, eight doubles, five steals and 18 walks in 88 games. The College of New Jersey alum saw time at second base, shortstop, third base and all three outfield positions in 2023.

The New Jersey native spent the 2021 and 2022 seasons with the Charleston Dirty Birds. In 195 games with the club, he accumulated a .373 OBP, five homers, 60 RBIs, 108 runs, 168 hits, 22 doubles and 38 steals. The first six seasons of his career were all spent with the Somerset Patriots, with whom he reached the postseason five times. Over 784 career games, Kelly has a .244 batting average, a .336 OBP, seven home runs, 190 RBIs, 372 runs, 567 hits, 80 doubles, five triples, 163 stolen bases and 252 walks. His 163 steals rank 10th all-time in Atlantic League history, while his 68 sacrifice bunts are good for second all-time, trailing only Angel Espada (74).