 During his time at Parramatta, Peek proved capable of handling top flight rugby league on a week to week basis, making an increased number of first grade appearances during the club's 2005 charge towards the Minor Premiership which they won just ahead of second placed St. George Illawarra.Along with St. George, Parramatta were favorites to take out the 2005 premiership but suffered a shock 29-0 preliminary final loss against North Queensland at Telstra Stadium, a game which Peek played in from the bench.2006 however saw Peek begin the season in Premier League before receiving a call up in round 8 against Manly-Warringah, a game in which he received a grade one dangerous throw charge, rendering him unavailable for selection for one round.