What Makes Danny Jansen’s Bounce Back Different?

After earning a promotion to the big league club last season, all Danny Jansen did was rake, hitting a robust .247/.347/.432 in 95 plate appearances to go along with positive framing behind the plate, all leading up to him being worth 0.9 fWAR. Those numbers rightfully led people to believe Jansen could be one of the few bright spots on the 2019 version of the Blue Jays, and finally break the curse of the catcher of the future. However, things appeared to go awry early this season, with Jansen’s OPS sitting 17 points below .500 through May 31st!
But that OPS didn’t tell the whole story, because throughout all of his struggles, Jansen was still taking walks at an above average rate of 9.0%. He also was hitting the ball hard, as the chart shows below:

Exit Velocity
Hit95+%
Launch Angle
LA10-30%
BABIP
wOBA
Danny Jansen
88.8
0.435
6.2
0.247
0.209
0.219
MLB Average
89.2
0.407
11.6
0.309
0.294
0.318
Those numbers are for all games until May 31st. You can see that his exit velocity was pretty close to league average, and the percentage of balls he hit that were above 95 MPH was actually above league average by a fair amount. The numbers that stand out are the launch angle and percentage of batted balls …

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Author: Gideon Turk / Blue Jays Nation

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