If you're looking for manga similar to Ring, you might like these titles.
Taiko Busujima is a powerful young pitcher looking to make it into the Japanese big leagues, but what he didn't count on was being signed to the Keihin Athletics, the cheapest and worst team in the league. Can he help turn the Athletics around and (gasp) win the pennant?
Mizuki loves beach volleyball, and luckily she finds herself forming a team with the best player of the region, Ozonin. But that seems to attract the wrath of Ozonin's old teammate, who swears to get revenge.
Star tennis player that can no longer play due to a trauma finds refuge from her angry sponsors in another sport - golf.