I'd go with Niemi.
Niemi @LA or Mason @ Ott
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15 Team Roto League (keep 5)
G/A/P/+-/PIM/PPP/SHP/SOG
W/L/GAA/SV%/SHO/GS
Max 130 Games for each position except 195 for Def
45 moves for the season
start 2 C: Mackinnon, Pettersson
start 2 LW: Huberdeau, Kaprisov
start 2 RW: JTMiller (RW), Rust
start 3 D: Nurse, Slavin, Hronek
start 2 G: Markstrom, Peterson
start 2 Util:Saad, Kapanen
BN: Dellia, Hornqvist, Gusev, Hintz
I'd go with Niemi.
24 GM – 3 Tier Salary Cap Roto Dynasty League + Roto Playoffs (Keep 32 of 35)
G, A, +/-, PIM, SOG, STP, HITS, BS, W, GAA, SV | 4C, 4LW, 4RW, 6D, 1G
C - Crosby, W.Nylander, Kempe, B.Howden, Wallmark, Z.Sanford, Newhook
LW - Ovechkin, Vrana, S.Bennett, Lehkonen, Aston-Reese, T.Benson, S.Poulin
RW - JT.Miller, Coleman, Gourde, Dzingel, Tippett, Volkov
D - Klingberg, Chabot, Slavin, Matheson, Chychrun, Sanheim, D.Toews, E.Bouchard, Cholowski
G - J.Gibson, DeSmith, Sparks, Luukkonen, Starrett