You're not crazy if you felt like this years box is lighter.
My local Target only had one 2019 Topps Series 1 Baseball Target Hanger Box for sale at the MSRP of $9.99.

Unfortunately, this years hanger boxes has 67 cards, which is 5 cards less than previous years.
Base Cards
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7 Gleyber Torres.
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19 Jacob deGrom.
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21 Jean Segura.
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49 Michael Kopech [RC].
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56 Christian Villanueva.
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64 Ramon Laureano [RC].
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66 Stephen Piscotty.
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70 Nolan Arenado.
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74 Chad Bettis.
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76 J.D. Martinez.
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83 Lou Trivino.
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89 Corey Dickerson.
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95 Dennis Santana [RC].
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98 Chance Adams [RC].
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100 Mike Trout.

It seems like Trout is always jumping in all of his trading cards.
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112 Joey Gallo.
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113 Willie Calhoun.
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114 Brandon Lowe [RC].
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115 Tyler Glasnow.
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124 Jason Kipnis.
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126 Oakland Coliseum.
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134 Sean Reid-Foley [RC].
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140 Daniel Poncedeleon [RC].
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141 Ryon Healy.
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142 Pedro Strop.
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147 Blake Treinen.
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159 Minute Maid Park.
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161 Eric Hosmer.
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163 Aaron Nola.
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170 Manny Margot.
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174 Jose Leclerc.
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175 Tommy Pham.
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182 Archie Bradley.
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195 Brett Phillips.
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200 Jacob deGrom.
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203 Will Smith.
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212 Brian Anderson.
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228 Rafael Devers.
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229 Shane Greene.
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233 Dylan Bundy.
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237 Seth Lugo.
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240 Trey Mancini.
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248 Justin Bour.
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252 Jakob Junis.
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261 Jedd Gyorko.
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263 Always Sonny.
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287 Jesus Aguilar.
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293 Andrew Miller.
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295 All Smiles.
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296 Lewis Brinson.
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301 Tanner Roark.
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317 Kevin Gausman.
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318 Cedric Mullins [RC]
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322 Brian McCann.
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325 Dan Straily.
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332 Ryan O'Hearn [RC].
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337 Mychal Givens.
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339 Josh Harrison.
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350 Nick Markakis.
Insert Cards
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150-116 Carl Yastrzemski.

Yastrzemski was the only Triple Crown winner through his career.
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T84-27 Chris Sale.

I completely forgot sale was traded to the Boston Red Sox after the 2016 season.
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GT-23 Gleyber Torres (odds 2:1).

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GT-29 Gleyber Torres (odds 2:1).

Torres' Yankee Stadium hitting streak of 16 games was the longest of any player on the roster in 2018.
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Rainbow Foil 51 Michael Brantley (odds 1:2).

The Rainbow Foil cards this year looks great.
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84R-AR Anthony Rizzo (odds 1:44).

Rizzo received his second Gold Glove Award in 2018.
Aside from that Trout base card and Rizzo jersey card that was a pretty boring box... click here to find out if my Walmart Hanger Box is just as boring.