Mending the armpits of a sweater

What I did:

Before

This sweater's armpits had seen better days. One armpit had a large rip in the seam and small holes in the fabric; the other had some medium holes in the fabric.

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back of top of maroon sweater showing holes in armpit

Before: back view of armpit holes

front of maroon sweater showing hole in armpit

Before: front view of armpit holes

closeup of medium hole in armpit of maroon sweater

Before: close-up of armpit hole

closeup of hand showing length of large hole in armpit seam with small hole also showing

Before: large rip in seam

After

I mended the holes and resewed the ripped seam by hand.

closeup of armpit of maroon sweater with no holes

After: close-up

closeup of armpit of maroon sweater with no holes

After: another close-up

front of maroon sweater showing that there are no longer holes in armpits

After: front view