Sullivan is hitting .292/.318/.426 with two home runs and eight stolen bases (nine attempts) in 209 at-bats with High-A Charlotte.
The 23-year-old has improved his offensive production at each minor-league level. Tampa Bay's catching prospect provides good power and speed for the position as he hit 13 home runs and stole 17 bases in 470 at-bats with Low-A Bowling Green last season. Behind the plate, Sullivan has caught 13 runners attempting to steal in 41 attempts and has also allowed seven passed balls.