Is the input text sentimentally neutral?

Input: "Frank Gifford's work on Monday Night Football w/Howard Cosell, Don Meredith, Al Michaels &amp; Dan Dierdorf really helped make me an NFL fan."
"Frank Gifford's work on Monday Night Football w/Howard Cosell, Don Meredith, Al Michaels &amp; Dan Dierdorf really helped make me an NFL fan."