One verse

Srimad Bhagavatam 10.44.5

10.44.5

उत्थापनैरुन्नयनैश्चालनै: स्थापनैरपि । परस्परं जिगीषन्तावपचक्रतुरात्मन: ॥ ५ ॥

utthāpanair unnayanaiś cālanaiḥ sthāpanair api parasparaṁ jigīṣantāv apacakratur ātmanaḥ

utthāpanaiḥ
with lifting up
unnayanaiḥ
carrying
cālanaiḥ
pushing away
sthāpanaiḥ
holding stationary
api
also
parasparam
each other
jigīṣantau
wanting victory
apacakratuḥ
they harmed
ātmanaḥ
(even) themselves

Forcefully lifting and carrying each other, pushing each other away and holding each other down, the fighters hurt even their own bodies in their great eagerness for victory.