The Edmonton Oilers could catch 'lightning in a bottle' if Sam Gagner could replace Shawn Horcoff on the top line. We've talked about this before (and Craig MacTavish talked about Horcoff in a checking role) but everything waited on Gagner's arrival.Today in practice the Oilers ran their lines as Gagner-Penner-Hemsky, Horcoff-Comrie-O'Sullivan, Cogliano-Moreau-Stortini and then a 4th line of Jacques-Nilsson with Bucky in the middle because Ryan Stone is injured and Gilbert...