Answer: rhubarb

AnswerCrossword Clue
RHUBARB

Squabble

RHUBARB

Melee on the field

RHUBARB

Altercation

RHUBARB
Brouhaha
RHUBARB
Spat
RHUBARBTart tart filling, perhaps
RHUBARBDiamond disorder, e.g.
RHUBARBStrawberry's partner-in-pie
RHUBARBTiff
RHUBARBFray
RHUBARBQuarrel
RHUBARBRow
RHUBARBTart tart ingredient
RHUBARBCommon garden plant.
RHUBARBWordy debate on the ball field.
RHUBARBMovie about a cat and baseball.
RHUBARBHassle.
RHUBARBFree-for-all on the diamond.
RHUBARBTrouble on the diamond.
RHUBARBAltercation: Slang.
RHUBARBDiamond argument.
RHUBARBKitchen garden plant.
RHUBARBHassle
RHUBARBControversy
RHUBARBDispute group of lawyers in front of Rockefeller Center (7)
RHUBARBDustup