Episode 1: Backup Goaltending

How important is backup goaltending in the NHL? Which teams should be concerned about their backup goaltending situation? These questions (and many more) will be answered on this episode of Ice Analytics. I will be joined by Tom Franklin from the Bluenotes Podcast & KMOX Radio, and Brendan Farrell from the Grit/60 Podcast to get their thoughts on the goaltending situation in St. Louis and Winnipeg.

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Goaltender SV% is a large determinant of team success, explaining 28% of the variation in point totals.

PTS and SV%

Several teams in 2018-2019 had a significant SV% and GSAA disparity between their starting and backup goaltenders (ANA, ARI, CAR, MTL, TBL, PHI & TOR). dSV% and dGSAA is the difference in SV% and GSAA between starting and backup goaltender on their respective team.

Player GP TOI SV% dSV% dFSv% GSAA dGSAA GSAx
Chad Johnson 9 319.7 88.01 -3.71 -1.98 -4.82 -18.33 -4.67
Ryan Miller 20 1108.8 91.17 -0.55 0.3 1.07 -12.44 2.44
John Gibson 58 3233.03 91.72 1.03 13.51 26.9
Adin Hill 13 696.35 90.03 -2.41 -0.2 -3.07 -27.23 -0.95
Antti Raanta 12 687.1 90.4 -2.04 -0.14 -2.1 -26.26 -0.7
Darcy Kuemper 55 3251.25 92.44 0.36 24.16 8.3
Scott Darling 8 485.57 88.54 -2.79 -1.1 -5.86 -9.6 -3.79
Curtis McElhinney 33 1977.52 91.08 -0.25 0.57 0.89 -2.85 7.68
Petr Mrazek 40 2386.78 91.33 0.28 3.74 4.29
Antti Niemi 17 968.8 88.81 -2.9 -2.48 -11.65 -25.79 -17.65
Carey Price 66 3880.25 91.71 0.17 14.14 4.46
Louis Domingue 26 1560.62 90.69 -1.72 -0.77 -2.32 -26.38 -8.12
Andrei Vasilevskiy 53 3203.75 92.41 0.31 24.06 7.02
Calvin Pickard 11 464.17 86.05 -5.62 -3.42 -10.89 -17.68 -10.69
Anthony Stolarz 12 629.73 90.45 -1.22 -1.18 -1.93 -8.72 -5.44
Brian Elliott 26 1396.72 90.76 -0.91 -0.17 -1.67 -8.46 -1.7
Carter Hart 31 1716.92 91.67 -0.21 6.79 -2.7
Garret Sparks 20 1104.7 90.42 -1.22 -1.09 -3.41 -16 -9.19
Frederik Andersen 60 3510.25 91.64 0.31 12.59 8.42

So far in the 2019-20 season the teams with the most disparity between starting and backup goaltenders are as follows:

Player GP TOI SV% dSV% FSV% xFSv% dFSv% GSAA dGSAA GSAx
Mike Smith 19 853.6 88.84 -3.47 92.11 93.8 -1.69 -11.67 -15.31 -9.75
Mikko Koskinen 24 1142.98 92.31 94.35 94.06 0.28 3.64 2.28
Connor Hellebuyck 30 1382.55 93.89 95.45 94.23 1.23 16.52 12.47
Laurent Brossoit 11 497.35 90.59 -3.3 93.36 93.29 0.08 -2.86 -19.38 0.28
Frederik Andersen 30 1498.85 92.63 94.74 94.3 0.44 6.91 4.66
Michael Hutchinson 8 358.58 89.37 -3.26 92.09 93.69 -1.6 -4.93 -11.84 -4.55
Elvis Merzlikins 9 394.02 90.21 -2.25 92.69 94.94 -2.25 -3.08 -8.14 -6.21
Joonas Korpisalo 30 1424.47 92.46 94.51 94.77 -0.26 5.06 -2.39
Brian Elliott 17 725.02 90.62 -1.98 92.79 93.62 -0.83 -4.09 -8.61 -4.1
Carter Hart 25 1113.07 92.6 94.76 93.85 0.91 4.52 6.49
Juuse Saros 18 810.55 90.34 -1.81 93.03 94.36 -1.33 -5.34 -7.37 -7.24
Pekka Rinne 21 959.02 92.15 94.42 94.78 -0.36 2.03 -2.27

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