22- year - old TPS attacker Dennis Okaru will spend the rest of the campaign on the sidelines due to a knee injury, the official website of the 8 - time champions of Finland is reporting.<br /><br />Okaru has long been plagued with the ailment and club medics have recommended that he should pass through the doctor's knife to repair the damage.<br /><br />''Further investigation of the fracture showed that Dennis suffered&nbsp; from knee cartilage. Ailment treated with keyhole surgery as early as next week.<br /><br />''Cartilage lesions is improving slowly, and improvement in order to move forward in the best way possible. <br /><br />''Unfortunately, going to be out of action until the end of the season, even though the rehabilitation starts immediately after surgery,''<span class="notranslate">TPS team doctor Professor Olli J. Heinonen told the official website, <i>fc.tps.fi.</i></span><br /><br />Dennis Okaru has made four appearances in the championship for eighth on the table TPS.<br /><br />Photo Credit: <span class="notranslate"><i>fc.tps.fi.</i></span>