Johnny Football could become Johnny Spousal Support ... at least, that's what his estranged wife Bre Tiesi is going for.
TMZ Sports has obtained Bre's divorce petition in which she specifically asks the judge to award her spousal support ... despite separating after only a year.
379 days to be exact.
In the docs, Bre says they got married on March 10, 2018 and she lists the date of separation as March 24, 2019 ... which is interesting.
We've learned ... Bre was in Bali on a girls trip with friends on the date of the split -- and Bre has publicly accused Manziel of "breaking vows.