I summarized the parking information around Osaka City, Osaka Nagai Stadium.

Parking in any stadium is within 5 minutes.
　　　　Nagai Park underground parking
　　　　　　　Price: the first 30 minutes / 100 yen
　　　　After 15 minutes / 100 yen Parking capacity: 255
Nagai Park South parking
　　　　　　　Price: the first 30 minutes / 100 yen
　　　　After 15 minutes / 100 yen

Parking units: 295 http://www.Nagai-Park.jp/access/parking.html

Nagai station has some parking. Approximately 1 700-1,000 yen stopped and more. So cheap it recommended.
-Times linger East 6
　　　　Until the stadium is about 7 minutes.
　　　　　　　Price: maximum day 1, 900 yen (: 24 hrs)
　　　　　　　8:00, 100 Yen
　　　　22:00, 100 Yen

Parking: 22 units http://times-info.NET/map/parkdetails/BUK0026862.html

-Times linger Higashi 3-Chome
　　　　Until the stadium is about 7 minutes.
　　　　　　　Fee: day 1, up 700 yen (: 24 hrs)
　　　　　　　8:00-200 Yen
　　　　22:00, 100 Yen

Parking: 27 units http://times-info.NET/map/parkdetails/BUK0021198.html

So a 7 minute train Nagai station from tennoji station stopping at tennōji station there.
-MIO parking
　　　　Tennoji station nearby.
　　　　　　　Price: ¥ 250 / 30 day maximum 5,000 yen
　　　　※ The day total more than 3,000 yen buying up for 2 hours free.

Parking: 430 vehicles http://www.tennoji-Mio.co.jp/HTML/access.html

Tennoji Park parking lot
　　　　Tennoji station nearby.
　　　　　　　Rate: weekday 30 minutes 300 yen day 1, maximum price: ¥ 1,200
　　　　Maximum price no 1 day 25 min 300 yen holiday

Parking: 500 units http://www.ocsga.or.jp/osakapark/hfm_park/04tennoji/tennoji_03.html

Tennoji Park underground parking
　　　　Tennoji station nearby.
　　　　　　　　　　Rate: weekday day 1, maximum price: ¥ 1200 hrs (24 hours)
　　　　　　　　　　8:00-300 Yen
　　　　　　　21:00, 100 Yen
　　　　　　　　　　Holiday day maximum price no 1
　　　　　　　　　　8:00-300 Yen
　　　　21:00, 100 Yen

Parking units: 476 http://times-info.NET/map/parkdetails/BUK0020191.html

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