Guus Hiddink’s side need to overturn a 2-1 deficit after the reigning Premier League champions lost to the Ligue 1 side in the French capital last month.
Fabregas has only scored three times in 35 games in all competitions for the west London side in a largely disappointing season for the Spanish midfielder so far.
However, the 28-year-old is taking measures to improve his accuracy if his latest Snapchat story is anything to go by.
Fabregas appeared to be taking aim at Chelsea team-mate Thibaut Courtois, who is holding a medicine ball above his head.
Ominously for Chelsea ahead of Wednesday’s must-win Champions League clash, Fabregas narrowly missed the Belgian target.
John Obi Mikel cancelled out Zlatan Ibrahimovic’s opener in Paris before Edinson Cavani netted a late winner for PSG last month.
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