[4] On August 12, it was announced that Ottawa would be the location for the first annual New Era All-Star Classic which features the best of the Intercounty Baseball League facing off in a four-game series against the best of the Ligue de Baseball Senior Élite du Québec (LBSEQ).

[citation needed] Games 1 and 2 were held in Ottawa on August 21 and 22 2010, while the series continued in Thetford Mines, Quebec September 4 and 5.

The Fat Cats final season saw them finish with an 18 and 18 record, good for a 5th place tie for the last playoff spot, but they bowed out in the first round in 6 games.

They averaged 3,328 per game for a total of 36,611 on the season despite playing many doubleheaders and having the fewest openings compared to any other team.

The Ottawa Fat Cats made it into The IBL finals only to lose to the Brantford Rex Sox.

The Fat Cats however drew a total of 49,491 for an average of 4,499 fans per game during the regular season, an increase of more than 50% from 2010.