The Portuguese midfielder is currently enjoying a rich vein of form in German football with Preussen Munster.
He received the number 28 shirt and the midfielder was a shock signing, as nobody had ever heard of him.
But Arsene Wenger was a massive fan of the player and decided to give him a one-year contract.
When discussing the signing Wenger admitted as such.
"He has talent but we’ll have to wait two or three months to get him competitive. He has had two surgeries on his groin so it is a gamble on his talent.”
Unfortunately they never managed to get him up to scratch.
He played just four times for the club before being released at the end of his one year deal. Unfortunately, the gamble had not returned.
Bischoff remained eternally thankful for the opportunity - stating during his time at the club:
"Arsenal saved me. Wenger gave me one more year to come back to the best level. After eight months I have already played two matches and appeared a few times in the professional group."
The French born midfielder said upon his release:
"[Wenger] could not guarantee me playing time next season. So we decided together that it was best that I did not extend [the contract]."
So what has happened since he left Arsenal?
Things did not go smoothly at all for the injury prone midfield talent.
He spent time at Academica and Aves in his home country of Portugal, but left in 2010 after limited success.
However, he is now starting to find his feet again, back in Germany. Although, not at the highest level.
Bischoff is currently at Preussen Munster, who play in the third tier of German football - where he is the star of the show since joining in 2012.
In his first season at the club he played a personal record 34 times scoring 10 goals. Last season he bagged three in 29 but has already equalled that tally in 2014-15, including a goal at the weekend against recently relegated Arminia Bielefeld - as Munster moved to just two points off of top spot, admittedly in eighth place in the competitive 3. Liga.
But in the case of Bischoff, whose career has certainly not reached the heights of Wenger's expectations, just for him to be playing regular football at the age of 27 seems to be a success.
At Preussen Munster he is a hero, always on the team-sheet, and performing to the best of his abilities.
That gamble might not have paid off from Wenger, but Bischoff's in moving to a group where he would be truly appreciated certainly has.