This season karsums was seriously injured on November 27 in the match against the "Motorist". He was placed on the disabled list, and in January it became known that the striker has been ruled out until the end of the season. He will not play for the Latvian team at the world Cup-2016.

In season 15/16 karsums has played for Moscow "Dynamo" 34 matches and scored 18 (10 8) points.

30-summer stands karsums in Dynamo Moscow last three seasons, and before that for four years he played for Riga "Dinamo". For the Moscow club for three years forward in 132 matches and scored 69 (38 31) points. Only NHL career he has 301 match and 176 (95 81) points in the Gagarin Cup 51 games and 18 (9 9) points.

In the Gagarin Cup 2016 Moscow "Dynamo" has reached the second round, losing to SKA St. Petersburg.