The Steelbacks lost a thrilling Twenty20 match against the Gloucestershire Gladiators by two wickets.
The Steelbacks set a under-par total of 133, being bowled out on the last ball of the innings.
The Gladiators hit the winning runs with a ball to spare. Another fine bowling display by Capel's men showed the fighting spirit in the Northants' team, but Gloucestershire had enough in the tank despite losing 8 wickets.
Twenty20 signing Ian Harvey top scored with 43, Whilst Johan van der Wath smashed two huge sixes over the Steffan's stand in the final over of the first innings.
Grant Hodnett scored a fine half century for Gloucestershire, after William Porterfield was out, first ball of the reply.
For a full match report please visit the fixtures and results section.
Niall O'Brien had to sit out today's Twenty20 clash between the Steelbacks and the Gladiators.
Following Niall's terrific performances in the World Twenty20 with Ireland, Northants medical team, coaches and Niall himself have decided that he will rest from today's game. This decision was taken following a review of the ankle injury sustained in the pool stage of the World Cup.
Niall's participation in the final group games will be reviewed on a match by match basis.
Meanwhile, A dramatic run-out off the last ball saw Northamptonshire shade the narrowest of victories over Surrey in the Second XI Trophy at Wellingborough School on Tuesday.
Replying to the County's 223-9 in 50 overs, the visitors reached the final delivery needing two to tie and three to win with their last pair at the crease. They managed only a single and were dismissed for 222, giving Northants the verdict by one run.
Graeme White's unbeaten 42 was the main contribution in a modest-looking County total with Nathan Hawkes (39), trialist Paul Harrison (37) and Ben Howgego (31) also chipping in.
Surrey then looked in good shape at 161-4 with 14 overs to go until David Wigley (4-42) struck with three wickets in an over to tilt the balance. Jack Chopping also bowled well on his old school ground and claimed 3-32.
The two sides start a three-day Championship match at Campbell Park, Milton Keynes on Wednesday.