The Everton goalkeeper is being linked with a MLS switch this summer.
The 36-year-old US national team goalkeeper has recently been linked with a move to the Colorado Rapids.
Kasey Keller says that Everton striker Romelu Lukaku does not always work hard.
Tottenham are performing exceptionally well under Mauricio Pochettino.
Before the days of Brad Friedel and Tim Howard, Kasey Keller was the main man for Team USA and his crowning moment came against Brazil.
The former USA number one has been elected to the National Soccer Hall of Fame as a first-ballot inductee.
The former USA number one insists his ex-international teammate is far from finished.
A selection of the latest transfer stories involving Tottenham Hotspur this Thursday evening