"To play this season" means to participate or compete in a particular sports season or series of games during a specific period of time. Full definition
(Editor's Note: these 2 squads did not play this season). (allsportsseries.com)
The Brazilian centre - back insists his players are not intimidated by the Blues forward, who has become known for his physically aggressive style of play this season. (caughtoffside.com)
He has as many touchdowns as games played this season. (sbnation.com)