The Sydney Roosters had a relatively poor start to their 100th season, not recording a win until Round 7 against the St George-Illawarra Dragons on Anzac Day. This however was juxtaposed by a rather strong period in the middle of the year winning 5 of their last 8 matches between Rounds 7 and 14.
Sydney Roosters celebrate their 100th year in the competition
In round 7 the Roosters defeated the St George Illawarra Dragons 18–4. This victory marked the 1,000th win in the club's history. The Roosters were the first club to achieve this feat.
The Roosters scored an unprecedented 64 points in round 13 against the Cowboys. This was the 3rd highest amount of points scored in a single game by the Roosters.
In the Roosters round 14 victory over the Penrith Panthers, the Sydney Roosters recorded their first back to back win since 2005.
The Roosters 56-point thrashing by Manly was their second worst defeat by Manly, and the Roosters 7th worst loss of all time. Following this loss, Chris Anderson resigned as coach with club legend Brad Fittler named as coach for the rest of the season.
On 14 July the Sydney Roosters defeated the Cronulla Sharks 23–12. This result after a restless week at the Roosters marked Brad Fittler's first win as a first grade coach.
With the round 20 victory over the competition leaders and premiership favourites, the Melbourne Storm (26–16), the Sydney Roosters recorded their first three consecutive wins since the finals series in 2004, a run which was halted by the Grand Final loss to the Canterbury Bulldogs.
In round 22, the Roosters became the first team in NRL history to go to Golden Point extra-time for two consecutive matches. They went on to win the match with a Joel Monaghan try.
In round 23, Brad Fittler tasted defeat for the first time in his coaching career, a loss to the Gold Coast Titans, 22–18.
On 28 August 2007, care-taker Head Coach Brad Fittler AM was appointed as the Head Coach for season 2008 (101st season for the Sydney Roosters). 
The following is a list of Sydney Rooster players who have played for Australia or New Zealand and other nations, New South Wales or Queensland and City or Country in representative levels of football during the 2007 calendar year. This is correct as of 15 May 2007