New Revised Standard Version
One sabbath while Jesus was going through the grainfields, his disciples plucked some heads of grain, rubbed them in their hands, and ate them.

Contemporary English Version
One Sabbath when Jesus and his disciples were walking through some wheat fields, the disciples picked some wheat. They rubbed the husks off with their hands and started eating the grain.

New American Bible
While he was going through a field of grain on a sabbath, his disciples were picking the heads of grain, rubbing them in their hands, and eating them.

Douay-Rheims Bible
And it came to pass on the second first sabbath that, as he went through the corn fields, his disciples plucked the ears and did eat, rubbing them in their hands.

And it came to pass on the second first sabbath that, as he went through the corn fields, his disciples plucked the ears and did eat, rubbing them in their hands.

the second.

Exodus 12:15 Seven days shall you eat unleavened bread: in the first day there shall be no leaven in your houses; whosoever shall eat any thing leavened, from the first day until the seventh day, that soul shall perish out of Israel.

Leviticus 23:7,10,11,15 The first day shall be most solemn unto you, and holy: you shall do no servile work therein. . . .

Deuteronomy 16:9 Thou shalt number unto thee seven weeks from that day, wherein thou didst put the sickle to the corn.

that.

Matthew 12:1 At that time Jesus went through the corn on the sabbath: and his disciples being hungry, began to pluck the ears, and to eat.

*etc:

Mark 2:23 And it came to pass again, as the Lord walked through the corn fields on the sabbath, that his disciples began to go forward and to pluck the ears of corn.

*etc:

and his.

Deuteronomy 23:25 If thou go into thy friend's corn, thou mayst break the ears, and rub them in thy hand: but not reap them with a sickle.