this is BRILLIANT ..
loving the energy ..
the expression on his face
the vibrant colours ..
the awesome dof ...
many congrats on such a powerful and intense image ..
oh .. and the blue of course ..!!..
A good shallow focus on this determined portrait. The look ant the sweat tells all about the hard physical work. I do find the yellow color a bit too strong and distracting, It pulls my eyes away from the main subject, perhaps a slight tweak with the yellow color would create a better balance?