I think your drag link is supposed to be straight.
The slop on the left side is typically wear from the roll pin and the spindle which is very common on narrow frame front ends.
You could aquire new parts or another option to repair the existing is described well in this link:
http://gardentractorpullingtips.com/steering.htm
Scroll down to "Fixing a Loose Fitting Drag Link Arm -125, 127 & 147" (this article applies to all narrow frame front ends)