Super-subs, the sub effect, pinch hitters and more. Players like Jermain Defoe (23 Premier League goals as a sub), Nwanko Kanu (17), Ole-Gunnar Solksjaer (17) and Javier Hernández (14) have done a lot of work to promote this terminology over the past decade(s). But how certain are those concepts? Are their players that consistently score more goals coming on as a sub? And what is the general tendency; do subs, fitter than starters when they come on, score more goals then starters? Let’s see.