Legendary winger is engaging about sport (6)

I haven't cracked this one yet — but the brilliant team at Fifteensquared have:

IS , containing (engaging) CA (abbreviation for Latin circa = about = approximately) + RU (abbreviation for the sport of Rugby Union). According to ancient Greek legend, Icarus and his father Daedalus escaped from prison by flying, using wings they made out of feathers and beeswax; but it didn’t end well for Icarus because beeswax melts in the sun.