BOSTON (CBS) — The summer heat was absent from the Patriots practice field for Day 2 of minicamp on Wednesday, and so was Rob Gronkowski.

The All-Pro tight end was not on the field, nursing what’s been reported as being a minor injury, for the second straight day. Here’s what else went down on the practice field outside of Gillette Stadium.

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Fisticuffs

Center Bryan Stork and rookie Woodrow Hamilton got into a scuffle toward the end of practice, with both players getting ending up getting sent off the field.

Williams Injured

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Tight end Michael Williams suffered an apparent leg injury. The regular season is obviously three months away, but injuries are never a welcome sight on the football field.

Long At DE, Ninkovich At LB

The arrival of free agent Chris Long has, for the time being, moved Rob Ninkovich into a linebacker’s role, moving him off the defensive line.

Ignore The Noise

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With no fans in attendance, the coaches tried to pump up the volume and increase the level of difficulty of on-field communication by blasting some music over the speakers.