WNBA's Brittney Griner & Fiancee -- Arrested for Assault ... Allegedly Attacked Each Other

Arrested for Assault

Allegedly Attacked Each Other

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WNBA superstar Brittney Griner -- and her WNBA star fiancee Glory Johnson -- were both arrested for allegedly attacking each other in Phoenix yesterday ... TMZ Sports has learned.  

Law enforcement sources tell us cops were called to Griner's home around 4:30 PM on Wednesday -- after receiving a call about a domestic dispute between the two women. 

When cops arrived, we're told officers observed "minor physical injuries" on both Brittney and Glory. 

Both women were arrested and booked by the Maricopa County Sheriff's Office for assault and disorderly conduct. Griner and Johnson were released around 4AM this morning. 

Griner plays for the Phoenix Mercury.

The two got engaged last August and had been planning to get married next month in Phoenix.  No word if the wedding is still on. 

Story developing ... 

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