March 12 (Reuters) - World ⁠number four Collin Morikawa has ⁠withdrawn from The Players Championship in ‌Ponte Vedra Beach, Florida, with a back injury after completing one hole,the PGA Tour said.

Morikawa, ​who arrived at the ⁠PGA Tour's flagship ⁠event this week as one of the ⁠pre-tournament ‌favourites, parred his opening hole at TPC Sawgrass, the par-four ⁠10th, and then withdrew at the ​tee ‌at the par-five 11th.