The 27-year-old forward came on to score both his side's goals, saying later he was unhappy at being named as a substitute by manager Alan Pardew.
Schurrle was mostly used as a substitute by manager Jose Mourinho and came off the bench to score in the 1-1 drawithtitletle rivals Manchester City in September.
He has made a near-career on Broadway, not as an understudy, but as a substitute for house managers and company managers.
Meanwhile, Rodgers defended teenager Sterling, who was the subject of morning headlines after he was pictured at a nightclub the day after England's 1-0 win in Estonia - a match in which he featured only as a substitute after telling manager Roy Hodgson he was tired.
As a substitute, George Low, the manager of the Apollo Spacecraft Program Office, came up with the idea of assigning a new mission profile to Apollo 8, one that could be flown without the lunar module.
Speculation grew over Defoe's future this season when he was often used as a substitute by former Spurs' manager Andre Villas-Boas, with summer signing Roberto Soldado preferred as a lone striker.
Rovers' 20-year-old left-winger Treacy made nine Premier League appearances, all but two as a substitute, last season, and manager Sam Allardyce is keen for the player to gain more experience.
Baby fluke is a good substitute, though, a manager said.
Craig Brown had given Don Hutchison his first cap, as a substitute, a month earlier but, as the manager prepared for Scotland's April 1999 friendly away to Germany, he took another look at the then- Everton midfielder.
A news lens or mirror may be substituted as necessary".
