It means "organized team activities"
Other Than American...
OTA stands for Organized Team Activities and is the term used for training/team activities during the off-season.
OTA
Emi Ota is 161 cm.
Ota Koval died in 1991.
Ota Filip was born in 1930.
Hiroshi Ota was born in 1936.
Ota Kroutil was born in 1921.
Ota Zaremba was born in 1957.
Ota Kulhánek was born in 1935.
Ota Bubeníček died in 1962.
Ota Bubeníček was born in 1871.