Tennis ace Leander out of US Open mixed doubles, doubtful for Davis Cup

In what would come as a massive blow to India's chances in the Davis Cup, tennis ace Leander Paes pulled out of the US Open mixed doubles semifinals due to back spasms which also makes him doubtful for the World Group playoff tie against Japan next week.
Paes and his Russian partner Elena Vesnina, seeded seventh, gave a walkover to unseeded Americans Melanie Oudin and Jack Sock in the mixed doubles semifinals due to the Indian's back problem.
"Rough day for Leander, back spasms during the doubles. Out of mixed and now in doubt for Davis cup too.Hmmmm,"tweeted his men's doubles partner Mahesh for more details....