Any idea what this foot pain is (near ball)?

Back in November I started getting left foot pain just a little left of the ball, in the area of the 2nd metatarsal. Not sure what led to it.

Back in November I started getting left foot pain just a little left of the ball, in the area of the 2nd metatarsal. Not sure what led to it.

Visit link:
Any idea what this foot pain is (near ball)?