The 37-year-old Bulgarian tried to make a comeback with his former club this summer after successfully beating cancer.
Aston Villa failed to take their chances in a tight fixture.
The pair impressed for Tottenham Hotspur on Saturday.
The Swans midfielder was left frustrated after their 2-0 defeat to Hull City
The Rams played out their second 0-0 draw of the season against Aston Villa on Saturday
West Ham United play a Premier League game at their new stadium for the first time today.
The former Crystal Palace and Queens Park Rangers manager previously predicted that the Championship new boys would finish 16th earlier this month.
The striker became Mark Warburton's tenth signing of the summer on Saturday.
The young manager picked up his first win at Leeds United this weekend.
Aston Villa drew 0-0 at the iPro Stadium on Saturday.
HITC Sport understands interest is growing in American from Scottish giants and several English Championship sides.
Liverpool winger Sheyi Ojo wants to emulate Dele Alli's success at Tottenham.
The Labour party is teetering on the edge of a precipice and could “bust apart and disappear”, the leadership challenger Owen Smith has warned.