Middlesbrough avoided an upset in their FA Cup third-round replay at the Riverside with a comfortable 5-2 victory over Nuneaton.
The Conference North side held out until the 34th minute when Chris Riggott beat the offside trap to hook the ball over Darren Acton and in off the post.
Gaizka Mendieta was fouled in the penalty area by Stuart Whittaker in the 42nd minute and Aiyegbeni Yakubu made it 2-0 from the spot.
Stuart Parnaby, Yakubu and Mark Viduka made the game safe after half-time and, although Gez Murphy scored twice in the last 19 minutes, one a penalty, Boro now face Coventry in the next round.
Birmingham eased some of the pressure on manager Steve Bruce with a 2-0 victory over lowly League Two side Torquay in their FA Cup third-round replay.
Mikael Forssell had Blues' best chance of the first half when he hit the post in the 25th minute from Julian Gray's cross.
But there was a sigh of relief around St Andrews when, in the 61st minute, on-loan Chelsea midfielder Jiri Jarosik stuck out his leg to deflect in Neil Kilkenny's shot.
Forssell made the match safe for the Premiership strugglers with the second nine minutes from time.
League Two Cheltenham set up a dream fourth-round tie at home to Newcastle with a 1-0 victory at Chester.
John Melligan's 52nd-minute corner was not cleared properly, and Kayode Odejayi fired home.
Walsall moved into the next round, overcoming League One rivals Barnsley 2-0.
Michael Leary put the home side ahead in the 68th minute, and Kevin James secured the result 10 minutes later.