Complex sentence: In 2003 the Rugby Club signed a three year sponsorship deal worth a six figure sum with Grafton Recruitment, re-naming the 1st, 2nd and U20 XVs the Grafton Belfast Harlequins, this deal was extended in 2006 to cover one more season.
Split into simpler sentences: In 2003 the Rugby Club signed a three year sponsorship deal worth a six figure sum with Grafton Recruitment, re-naming the 1st, 2nd and U20 XVs the Grafton Belfast Harlequins. This deal was extended in 2006 to cover one more season.