Union star's rookie card sells for record $90,000Watch the 6abc Philadelphia 24/7 stream featuring Action News, AccuWeather and EntertainmentWatch the 6abc Philadelphia 24/7 stream featuring Action News, AccuWeather and EntertainmentWatch the 6abc Philadelphia 24/7 stream featuring Action News, AccuWeather and EntertainmentWatch the 6abc Philadelphia 24/7 stream featuring Action News, AccuWeather and EntertainmentCHESTER, Pa. (WPVI) -- The Philadelphia Union's phenom, 16-year-old Cavan Sullivan, is once again showing he's a standout. Topps cards tweeted a picture of his rookie card, which sold for more than $90,000. That makes it the most expensive Major League Soccer solo card ever. The record-setting card features the midfielder's autograph along with a match-worn patch.