The grammar as it is written is not good. And I am not aware of a rule where you create a possessive noun and describe it using commas.

You could say,

Matt’s shoes were very worn because he ran a lot.

i don’t understand what they’re coaching human beings at the instant yet lots of the solutions indexed decrease than are incorrect. If the observe is singular, you upload ‘s to instruct possession besides the fact that if the observe ends interior the phonemes s or z: James’s hat Max’s e book The Reverend Septimus’s surplice. There are some, an fairly few, exceptions and those have a protracted custom. 3 particularly have purely the apostrophe following the s Jesus’ friends Moses’ team Achilles’ heel With plurals ending in s the apostrophe comes after the s The Joneses’ abode The mothers’ assembly Plurals not ending in s take ‘s the youngster’s hour. the human beings’s representative

I would say:

Because Matt ran a lot, his shoes were very worn.

Matt, who ran a lot, had shoes which were very worn.

……………changing the sentence seems to make more sense.

in this case it makes more sense to change the sentence.

ex: Amy’s house, which is small, is blue.