Transfer journalist Fabrizio Romano has now claimed that Takehiro Tomiyasu has just agreed a new contract with Arsenal. Arsenal have been without Takehiro Tomiyasu in recent weeks, as he has been competing with Japan at the Asia Cup. Japan were knocked out of that competition by Iran in a quarter-final clash on Saturday, meaning the defender is now free to return to the Emirates Stadium. If the £19.8 million former Bologna man can stay fit, he will surely play a key role for the north London club between now and the end of the season. However, staying fit consistently has proven to be an issue…