Mbh 7.124.3c

And he pierced Drona’s charioteer with four arrows and his four steeds also with four. The Preceptor then pierced the right arm of Chekitana with sixteen arrows, and his standard with sixteen, and his charioteer with seven. Upon the charioteer being slain, Chekitana’s steeds fled away, dragging the car after them. Beholding the steeds of Chekitana pierced with the arrows of Bharadwaja’s son, and his car also deprived of driver, the Panchalas and the Pandavas were filled with great fear. Drona then, O sire, routing on all sides the Panchalas and the Srinjayas united together in battle looked exceedingly resplendent. The venerable Drona, full five and eighty years of age, dark in hue and with white locks descending to his ears, careered in battle like a youth of sixteen. Indeed, O king, enemies regarded the foe-slaying Drona, as he fearlessly careered in battle, to be none else than Indra himself armed with the thunder. Then, O monarch, the mighty-armed Drupada of great intelligence said, “This one (Drona) is slaying the Kshatriyas like a hungry tiger slaying smaller animals. The sinful Duryodhana of wicked soul will assuredly obtain the most miserable regions (in the next world). It is through his covetousness that many foremost of the Kshatriyas, slain in battle, lay prostrate on the field, like mangled bulls, weltering in blood and becoming the food of dogs and jackals.” Saying these words, O monarch, Drupada, that master of an Akshauhini of troops, placing the Parthas at his head, rushed with speed towards Drona.’”