SARATOGA SPRINGS, N.Y. - Led by Breeders' Cup winners Fierceness (City of Light) and White Abarrio (Race Day), a talented field of five will line up for Saturday's GI Metropolitan Handicap on the stacked GI Belmont Stakes program at Saratoga. TDN's Senior Racing Editor Steve Sherack takes a closer look at the pedigrees of all five of the runners entered in the stallion-making race. #1 FIERCENESS (c, 4, City of Light--Nonna Bella, by Stay Thirsty) Lifetime Record: Ch. 2yo Colt & MGISW, 10-6-1-1, $4,315,320. O-Repole Stable, Derrick Smith, Michael B....