See https://developer.yahoo.com/fantasysports/guide/ for details.

team_stats_mlb_example.xml

<!--https://fantasysports.yahooapis.com/fantasy/v2/team/253.l.102614.t.10/stats;type=date;date=2011-07-06-->
<!--Team date status in an MLB roto league-->
<?xml version="1.0" encoding="UTF-8"?>
<fantasy_content xmlns:yahoo="http://www.yahooapis.com/v1/base.rng" xmlns="http://fantasysports.yahooapis.com/fantasy/v2/base.rng" xml:lang="en-US" yahoo:uri="http://fantasysports.yahooapis.com/fantasy/v2/team/253.l.102614.t.10/stats;date=2011-07-06;type=date" time="68.986892700195ms" copyright="Data provided by Yahoo! and STATS, LLC">
  <team>
    <team_key>253.l.102614.t.10</team_key>
    <team_id>10</team_id>
    <name>Matt Dzaman</name>
    <url>https://baseball.fantasysports.yahoo.com/b1/102614/10</url>
    <team_logos>
      <team_logo>
        <size>medium</size>
        <url>https://l.yimg.com/a/i/us/sp/fn/mlb/gr/icon_12_2.gif</url>
      </team_logo>
    </team_logos>
    <managers>
      <manager>
        <manager_id>10</manager_id>
        <nickname>smock514</nickname>
        <guid>VZVEVUCLSJAHSM73FMJ4BYFIKU</guid>
        <exposed_yahoo_id>1</exposed_yahoo_id>
      </manager>
    </managers>
    <team_stats>
      <coverage_type>date</coverage_type>
      <date>2011-07-06</date>
      <stats>
        <stat>
          <stat_id>60</stat_id>
          <value>13/31</value>
        </stat>
        <stat>
          <stat_id>7</stat_id>
          <value>9</value>
        </stat>
        <stat>
          <stat_id>12</stat_id>
          <value>3</value>
        </stat>
        <stat>
          <stat_id>13</stat_id>
          <value>11</value>
        </stat>
        <stat>
          <stat_id>16</stat_id>
          <value>1</value>
        </stat>
        <stat>
          <stat_id>3</stat_id>
          <value>.419</value>
        </stat>
        <stat>
          <stat_id>50</stat_id>
          <value>7.0</value>
        </stat>
        <stat>
          <stat_id>28</stat_id>
          <value>1</value>
        </stat>
        <stat>
          <stat_id>32</stat_id>
          <value>0</value>
        </stat>
        <stat>
          <stat_id>42</stat_id>
          <value>6</value>
        </stat>
        <stat>
          <stat_id>26</stat_id>
          <value>1.29</value>
        </stat>
        <stat>
          <stat_id>27</stat_id>
          <value>0.71</value>
        </stat>
      </stats>
    </team_stats>
  </team>
</fantasy_content>