A RUBBER ARM KEEPS ON BOUNCING BACK.(SPORTS)

Byline: MAUREEN KELLY Staff writer

Fifteen year-old Tiffany Ippoliti loves to pitch -- and pitch and pitch.

She's been throwing a softball since she can remember.

While Ippoliti has fun pitching she also takes it very seriously.

Last week, she proved just how good she is at it.

In the 48 hours from Thursday afternoon through Saturday afternoon, she pitched her Schuylerville Black Horses to four victories.

Over those games she struck out 43 batters.

``She had great control and moved the ball well throughout all three games,'' Schuylerville coach Sam Fitzgerald said. ``She was a little tired after (them). We watched …