The phrase "form striker" refers to a sports player, usually in soccer or football, who is currently in good or great shape and performing well in their position as a goal scorer. Full definition
Whatever the case, we now have a fully fit and in form striker ready to go at the start of next season and I think he could be the difference for us. (justarsenal.com)
We then managed to produce two really decent chances to, unfortunately, and out of form striker, who wasn't able to take them. (goonerholic.com)
The in form striker made no mistake though and we were up against it at the break. (justarsenal.com)