Clue: Gladiator's about to catch up with you and I (9)
Answer: SPARTACUS
Explanation: Definition: Gladiator
*Edit thanks to NeilW: S, plus all of: *CA=c[irc]a="about", plus TRAP~~S~~="to catch"~~[?]~~; all reversed/"up"; then plus US="you and I" – not 'you and me'?