Solucionado Alinear debajo

[Merche300]

Tengo un xml, clasi_list.xml el cual quiero alinearlo debajo de un tabLayaut, content_tab.xml, y n o hay manera, ¿Como lo hago?

content_tab.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    app:layout_behavior="@string/appbar_scrolling_view_behavior"
    tools:context="com.myapplication.Tabs.TabActual"
    tools:showIn="@layout/activity_tab">

    <android.support.design.widget.AppBarLayout
            android:id="@+id/appBarLayout"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            app:layout_constraintTop_toTopOf="parent">

        <android.support.design.widget.TabLayout
                android:id="@+id/tabs"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:background="@color/colorPrimary"
                app:tabTextColor="@color/white"
                app:tabIndicatorColor="@color/red"
                app:tabSelectedTextColor="@color/yellow"
                app:tabMode="scrollable"/>
    </android.support.design.widget.AppBarLayout>

    <android.support.v4.view.ViewPager
            android:id="@+id/pager"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            app:layout_behavior="@string/appbar_scrolling_view_behavior" app:layout_constraintTop_toTopOf="parent"/>

</android.support.constraint.ConstraintLayout>

clasi_list.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout
        xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:app="http://schemas.android.com/apk/res-auto"
        xmlns:tools="http://schemas.android.com/tools"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        tools:context=".Clasificacion.FragClasi">

    <LinearLayout
            android:id="@+id/linearLayout"
            android:orientation="horizontal"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_centerHorizontal="true"
            android:paddingTop="5dp"
            android:paddingBottom="2dp"
            tools:ignore="MissingConstraints">

        <TextView
                android:id="@+id/tv_posicion"
                android:text="PS"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:textColor="@color/colorPrimaryDark"
                android:gravity="center_vertical|center_horizontal"/>

        <TextView
                android:id="@+id/tv_equipo"
                android:text="EQUIPO"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_weight="5"
                android:textColor="@color/colorPrimaryDark"
                android:layout_gravity="center_vertical"
                android:gravity="center_horizontal"/>

        <TextView
                android:id="@+id/tv_sube_baja"
                android:text="A/D"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_weight="2"
                android:textColor="@color/colorPrimaryDark"
                android:layout_gravity="center_vertical"
                android:gravity="center_horizontal"/>


        <TextView
                android:id="@+id/tv_puntos"
                android:text="PT"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:textColor="@color/colorPrimaryDark"
                android:gravity="center_vertical|center_horizontal"/>


        <TextView
                android:id="@+id/tv_jugados"
                android:text="J"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:textColor="@color/colorPrimaryDark"
                android:gravity="center_vertical|center_horizontal"/>

        <TextView
                android:id="@+id/tv_ganados"
                android:text="G"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:textColor="@color/colorPrimaryDark"
                android:gravity="center_vertical|center_horizontal"/>


        <TextView
                android:id="@+id/tv_empatados"
                android:text="E"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:textColor="@color/colorPrimaryDark"
                android:gravity="center_vertical|center_horizontal"/>


        <TextView
                android:id="@+id/tv_perdidos"
                android:text="P"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:textColor="@color/colorPrimaryDark"
                android:gravity="center_vertical|center_horizontal"/>


        <TextView
                android:id="@+id/tv_g_favor"
                android:text="GF"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:textColor="@color/colorPrimaryDark"
                android:gravity="center_vertical|center_horizontal"/>


        <TextView
                android:id="@+id/tv_g_contra"
                android:text="GC"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:textColor="@color/colorPrimaryDark"
                android:gravity="center_vertical|center_horizontal"/>

    </LinearLayout>

    <android.support.v7.widget.RecyclerView
            android:id="@+id/RvClasi"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_marginTop="50dp"/>

    <ProgressBar
            android:id="@+id/progressBar3"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:padding="10dp"
            android:visibility="gone"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent"/>

</android.support.constraint.ConstraintLayout>

activity_tab.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout
        xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:app="http://schemas.android.com/apk/res-auto"
        xmlns:tools="http://schemas.android.com/tools"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        tools:context="com.myapplication.Tabs.TabActual">

    <android.support.design.widget.AppBarLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            app:elevation="0dp"
            android:theme="@style/ThemeOverlay.AppCompat.Light">

    </android.support.design.widget.AppBarLayout>

    <include layout="@layout/content_tab" />

</android.support.design.widget.CoordinatorLayout>

[Merche300]

No se puede hacer?