Of course Melky won't put up his numbers from last year but I would be tempted to keep him over Gordon. He will be heavily protected in the Jays lineup and should see his fair share of decent pitches.

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13 team Roto keeper league 12 F, 6D, 2G, G,A,+/-, PIMS, Hits, TOI(D), GAA, SV%, (Forwards are forwards, no distinction between L,R,C)

F) Ovechkin, Stamkos, Kane, Ryan, Clarkson, Couture, Ribeiro, Moulson, Van Riemsdyk, Orr, B. Morrow, R.Malone
D) S. Weber, Phaneuf, Subban, Shattenkirk, J. Johnson, Hedman
G) Rask, Khudobin
IR) RNH

Lineup protection has little effect on players performance.
Melky won't repeat a .379 babip.
Gordon has had 2 nice years, Gordon.