• Central League
  • Hanshin Tigers
  • Hiroshima Toyo Carp
  • Yokohama DeNA BayStars
  • Yomiuri Giants
  • Tokyo Yakult Swallows
  • Chunichi Dragons
  • Pacific League
  • ORIX Buffaloes
  • Chiba Lotte Marines
  • Fukuoka Softbank Hawks
  • Tohoku Rakuten Golden Eagles
  • Saitama Seibu Lions
  • Hokkaido Nippon-Ham Fighters
  • Japan Baseball

Players

  • 19
  • YOKOHAMA DeNA BAYSTARS
  • Yamasaki, Yasuaki
Position Pitcher
Bats / Throws Right / Right
Height / Weight 179cm/ 88kg
Born October 2, 1992
Year Team G W L SV HLD HP CG SHO PCT BF IP H HR BB HB SO WP BK R ER ERA
2015 DeNA 58 2 4 37 7 9 0 0 .333 215
56 .1
38 2 11 1 66 4 1 13 12 1.92
2016 DeNA 59 2 5 33 7 9 0 0 .286 252
57 .2
57 7 23 0 61 2 0 27 23 3.59
2017 DeNA 68 4 2 26 15 19 0 0 .667 260
65 .2
52 3 13 1 84 1 0 16 12 1.64
2018 DeNA 57 2 4 37 3 5 0 0 .333 226
56 .1
40 5 18 1 63 1 0 18 17 2.72
2019 DeNA 61 3 2 30 4 7 0 0 .600 243
60
44 6 19 0 54 0 0 18 13 1.95
2020 DeNA 40 0 3 6 8 8 0 0 .000 176
38
52 4 14 0 31 1 0 26 24 5.68
2021 DeNA 60 3 2 1 27 30 0 0 .600 229
55
58 2 14 3 39 0 0 21 20 3.27
2022 DeNA 56 0 2 37 3 3 0 0 .000 197
54 .1
29 4 9 0 42 1 0 9 8 1.33
2023 DeNA 49 3 7 20 8 11 0 0 .300 189
45 .1
48 7 8 1 54 1 0 22 22 4.37
2024 DeNA 5 0 0 3 2 2 0 0 .000 18
5
3 0 1 0 2 0 0 0 0 0.00
Totals 513 19 31 230 84 103 0 0 .380 2005
493 .2
421 40 130 7 496 11 1 170 151 2.75
Year Team G PA AB R H 2B 3B HR TB RBI SB CS SH SF BB HP SO GDP AVG SLG OBP
2015 DeNA 58 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .000 .000 .000
2016 DeNA 59 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .000 .000 .000
2017 DeNA 68 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .000 .000 .000
2018 DeNA 57 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .000 .000 .000
2019 DeNA 61 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .000 .000 .000
2020 DeNA 40 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .000 .000 .000
2021 DeNA 60 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .000 .000 .000
2022 DeNA 56 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .000 .000 .000
2023 DeNA 49 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .000 .000 .000
2024 DeNA 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .000 .000 .000
Totals 513 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .000 .000 .000