Which sentence requires semicolons instead of commas?

The captains of the high-school softball team are Marisa Martino, Rachel Morrison, and Lisa Fiore.

The captains of the high-school softball team are pitcher, Marisa Martino, outfielder, Rachel Morrison, and catcher, Lisa Fiore.

The high-school softball team is lead by captains Marisa Martino, Rachel Morrison, and Lisa Fiore.

The captains of the high-school softball team are the pitcher, the

outfielder, and the catcher; Marisa Martino, Rachel Morrison, and Lisa Fiore.

The sentence that requires semicolons instead of commas is:

The captains of the high-school softball team are pitcher, Marisa Martino, outfielder, Rachel Morrison, and catcher, Lisa Fiore.