southern league meaning in English

南部联赛
南方联盟

An application for membership to the southern league had been made
之后起草了一份加入南方联盟的申请书。
Negro southern league
黑人南方联盟
He held his own against southern league pitching , batting . 290 with six home runs and 50 rbis in 129 games
他在南方联盟的战绩为：出赛129场比赛，打击率0 . 290 ， 6支全垒打、 50分打点。
As time went by the southern league application did not appear to be making progress , so even later an application was made to leapfrog it and join the football league
一段时间后，南方联盟的申请通过迟迟不见进展，于是稍后新的加入足球联盟的申请取而代之。