Ok I've got 4 starting runninbacks wondering what to do

Ok so I’ve got gurley, buck Allen, marshawn lynch, Alfred Morris, and derrick Henry. I’m wondering since I’m 4-1 and have a pretty solid team if I should try and get zeke from the owner and use him in the playoffs or package some runninback for a good wr. My wr core is Keenan allen, hill, funchess, tedd ginn, doctson. It’s a 16 team standard league. I got jimmy graham at te.