The Mexico global has signed a three-year contract with the Premier League club, on a reported £140,000-a-week salary.
Javier Hernandez says he can not wait to face his former club Manchester United on the opening weekend of the new Premier League season. Hernandez has signed a three-year deal at London Stadium on his return to the Premier League.
"It was not a hard decision", he continued.
"But no doubt for West Ham to get a player with his experience and quality is very, very good", Mourihno concluded.
Japan Confirms Tariff Increase on US Frozen Beef
Finance Minister Taro Aso announced the move Friday, saying he was prepared to explain the decision to the US side. Japanese officials said on Friday they were raising duties on US frozen beef exports to 50% from 38.5%.
"He has a proven goalscoring record in the Premier League, LaLiga (on loan at Real Madrid during the 2014-15 season) and the Bundesliga, as well in the Uefa Champions League and at worldwide level with Mexico", Sullivan said.
As well as providing another transfer update, Mourinho also railed against the additional two-match Uefa ban handed to Eric Bailly following his red card in May's Europa League semi-final second-leg draw with Celta Vigo at Old Trafford.
Now, Hammers fans will be hoping the pocket-sized striker can reignite his goalscoring touch in the Premier League and forming a partnership with Carroll is his best chance of doing that. Now with West Ham in Rotenburg, Arnautovic isn't too far away from one of his former clubs.
Mourinho hailed the West Ham signing and said he never takes time to settle and score goals.
Slaven Bilic's side were desperately short up front last season with the likes of Simone Zaza and Jonathan Calleri really struggling for the Hammers.
Marko Arnautovic says he joined West Ham because he believes they've shown more ambition than his previous club Stoke.